SSC CGL (Tier - 2) Online Exam Paper - 2017 "held on 22 February 2018" Morning Shift (Statistics)

SSC CGL (Tier - 2) Online Exam Paper - 2017 "held on 22 February 2018"

Morning Shift (Statistics)

QID : 1 - For the mid values 30, 39, 48, 57 and 66 the second class of the distribution is ________.

Options:
1) 34 - 44
2) 34.5 - 43.5
3) 33.5 - 44.5
4) 34 - 45
Correct Answer: 34.5 - 43.5
 

QID : 2 - 

Options:
1) Less than cumulative frequency
2) More than cumulative frequency
3) discrete frequency distribution
4) Individual series
Correct Answer: Less than cumulative frequency
 

QID : 3 - 

Options:
1) 71

2) 48

3) 69

4) 46
Correct Answer: 71
 

QID : 4 - In a pie chart depicting total expenses of a company for the year 2016, raw material had a central angle of 45o. If total expenses were Rs 504 Lakhs, what were the company's expense on raw materials (in Rs lakhs)?

Options:
1) 45

2) 112

3) 63

4) 72
Correct Answer: 63
 

QID : 5 - 

Options:
1) 0.756

2) 0.78

3) 0.867

4) 0.72
Correct Answer: 0.867
 

QID : 6 - 

Options:
1) 1.4

2) 2.8

3) 0.28

4) 0.7
Correct Answer: 0.7
 

QID : 7 - 

Options:
1) 9

2) 8

3) 7

4) 11
Correct Answer: 11
 

QID : 8 - Find the harmonic mean of 3, 6 and 10.

Options:
1) 6.33

2) 5

3) 5.6

4) 4.5
Correct Answer: 5
 

QID : 9 - 

Options:
1) 5 and 15
2) 10 and 20
3) 5 and 10
4) 10 and 15
Correct Answer: 5 and 15
 

QID : 10 - Calculate the median using the following data.

Lower class boundary of the median class = 40
Total frequency = 120
Frequency of the median class = 35
Less than cumulative frequency of the post median class = 37
Class width = 20

Options:
1) 48.23

2) 49.14

3) 54.23

4) 53.14
Correct Answer: 53.14
 

QID : 11 - 

Options:
1) 8.5

2) 7.5

3) 9.5

4) 10.5
Correct Answer: 9.5
 

QID : 12 - 

Options:
1) 24.44

2) 23.33

3) 25.55

4) 26.66
Correct Answer: 23.33
 

QID : 13 - Compute the standard deviation of the following numbers:

5, 6, 4 and 2

Options:
1) 1.7

2) 2.7

3) 1.2

4) 2.2
Correct Answer: 1.7
 

QID : 14 - Calculate the standard deviation if the mean of a certain set of observations is 20 and the mean of the squares of the same observations is 500.

Options:
1) 5

2) 20

3) 10

4) 25
Correct Answer: 10
 

QID : 15 - Calculate the coefficient of range for the following set of data.

3, 6, 6, 8, 9 and 12

Options:
1) 22.2
2) 44.4
3) 50
4) 60
Correct Answer: 60

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QID : 16 - The mean and variance of the marks of Division 1 which has 60 students is 45 and 4 respectively and the mean and variance of the marks of Division 2 which has 40 students is 55 and 9 respectively. What will be the variance of the marks of the two divisions combined?

Options:
1) 30

2) 20

3) 10

4) 40
Correct Answer: 30
 

QID : 17 - If the mean of a certain set of data is 16 and variance is 4 then find the coefficient of variance.

Options:
1) 25

2) 12.5

3) 10

4) 20
Correct Answer: 12.5
 

QID : 18 - If a set of points represent probability density, then the third central moment is the ______________.

Options:
1) skewness
2) kurtosis
3) mean
4) variance
Correct Answer: skewness
 

QID : 19 - Which formula represents the 2nd moment around the mean?

Options:
1) Σ(xi – μx)2
2) √Σ(xi – μx)2
3) Σ(xi2 – μx2)
4) √ Σ(xi2 – μx2)
Correct Answer: Σ(xi – μx)2
 

QID : 20 - Calculate skewness using Bowley's formula given lower quartile, upper quartile and median values of a data set are 16, 40 and 24.

Options:
1) 0.33

2) 0.44

3) 0.55

4) 0.67
Correct Answer: 0.33
 

QID : 21 - What is the mean of a data if its Pearson's coefficient of skewness is 0.25, standard deviation is 6 and mode is 18?

Options:
1) 16.5

2) 10.5

3) 21.5

4) 19.5
Correct Answer: 19.5
 

QID : 22 - Which condition has to be met to say that a series has positive skewness?

 

Options:
1) Mode > Mean > Median
2) Median > Mode > Mean
3) Mode > Median > Mean
4) Mean > Median > Mode
Correct Answer: Mean > Median > Mode
 

QID : 23 - The kurtosis of any univariate normal distribution is ________.

Options:
1) 2

2) 3

3) 1

4) 0
Correct Answer: 3
 

QID : 24 - Characteristics of a leptokurtic distribution are ____________________.

Options:
1) 1)Positive excess kurtosis, 2) Slender in shape and 3)Fatter tails
2) 1)Negative excess kurtosis, 2) Slender in shape and 3)Fatter tails
3) 1)Positive excess kurtosis, 2) Thicker in shape and 3)Thinner tails
4) 1)Negative excess kurtosis, 2) Thicker in shape and 3)Thinner tails
Correct Answer: 1)Positive excess kurtosis, 2) Slender in shape and 3)Fatter tails

 

QID : 25 - Coefficient of Kurtosis β2 = ____________, where μ2 and μ4 are the second and fourth moments about mean.

Options:
1) μ2/μ42

2) μ42/μ2

3) μ4/μ22

4) μ22/μ4
Correct Answer: μ4/μ22
 

QID : 26 - Find the coefficient of correlation if the two regression coefficients are 0.5 and 4.5.

Options:
1) 1.5

2) 2.5

3) 3.5

4) 2.25
Correct Answer: 1.5
 

QID : 27 - Pearson's correlation coefficient = _________________. (S represents standard deviation)

Options:
1) (Sx.Sy)/Covariance(x,y)
2) Covariance2(x,y)/(Sx.Sy)
3) (Sx.Sy)2/Covariance(x,y)
4) Covariance(x,y)/(Sx.Sy)
Correct Answer: Covariance(x,y)/(Sx.Sy)

QID : 28 - The range of values that coefficient of correlation can take are _____________.

Options:
1) 0 ≤ r ≤ +1

2) -1 < r < +1

3) 0 < r < +1

4) -1 ≤ r ≤ +1
Correct Answer: -1 ≤ r ≤ +1
 

QID : 29 - Spearman's rank correlation coefficient is given by _____________.

Options:
1) 1 + 6∑di2/[n(n2-1)]

2) 1 - 6∑di/[n(n2-1)]

3) 1 - 6∑di2/[n(n2-1)]

4) 1 + 6∑di/[n(n2-1)]
Correct Answer: 1 - 6∑di2/[n(n2-1)]
 

QID : 30 - If Coefficient of correlation r = 0.5 then coefficient of non-determination is __________.

Options:
1) 0.5

2) 0.25

3) 1

4) 0.75
Correct Answer: 0.75
 

QID : 31 - If x = 3u + 1 and y = 4v + 2 and the regression coefficient between u and v is 1.2, then find regression coefficient between x and y?

Options:
1) 0.8

2) 1

3) 0.9

4) 1.5
Correct Answer: 0.9
 

QID : 32 - Calculate the correlation coefficient between the following values :

x: 3, 5, 1, 7, 5
y: 4, 3, 0, 8, 2

Options:
1) 0.9

2) 0.8

3) 0.7

4) 0.6
Correct Answer: 0.8
 

QID : 33 - If the sum of the squares of difference of ranks of 6 candidates in two criteria is 21, the rank correlation coefficient is __________.

Options:
1) 0.5

2) 0.6

3) 0.4

4) 0.7
Correct Answer: 0.4
 

QID : 34 - If 4y = 15 + 6x is the regression line of y on x, and coefficient of correlation between x and y is 0.9, then regression coefficient of x on y is equal to _______.

Options:
1) 0.54

2) 0.45

3) 0.81

4) 0.72
Correct Answer: 0.54
 

QID : 35 - Find regression coefficient of y on x (byx) if correlation coefficient between x and y values is 0.75 and standard deviation of x and y are 5 and 6.4 respectively. 

Options:
1) 0.96

2) 0.59

3) 1.04

4) 1.7
Correct Answer: 0.96
 

QID : 36 - If a box contains 4 red balls and 6 blue balls then what is the probability of picking 2 balls of the same colour?

Options:
1) 8/15

2) 12/25

3) 13/25

4) 7/15
Correct Answer: 7/15

QID : 37 - A doctor finds of all patients that visits his clinic the probability that a patient is alcoholic given that the patient has liver disease is 0.08. The probability that a patient is alcoholic is 0.06 and the probability that a patient has liver disease is 0.12. Find the probability that a patient has liver disease given that he or she is alcoholic?

Options:
1) 0.04

2) 0.09

3) 0.16

4) 0.24
Correct Answer: 0.16
 

QID : 38 - What is the probability that a number selected randomly from 1 to 500 is a multiple of 3 or 7?

Options:
1) 0.428

2) 0.474

3) 0.512

4) 0.576
Correct Answer: 0.428
 

QID : 39 - If P(A) = 2/3 and P(B) = 5/8 and find probability of only B occurring if probability of only A occurring is 1/6?

Options:
1) 1/8

2) 1/9

3) 1/6

4) 2/9
Correct Answer: 1/8
 

QID : 40 - Find P(A'/B'), given P(A) = 3/4, P(B) = 9/20 and P(A∩B) = 1/4?

Options:
1) 1/20

2) 1/9

3) 1/11

4) 1/12
Correct Answer: 1/11
 

QID : 41 - A and B are independent events. The odds in favour of A and B are 1:1 and 3:2 respectively. Find the probability that only one of the two events occurs?

Options:
1) 0.6

2) 0.7

3) 0.8

4) 0.5
Correct Answer: 0.5
 

QID : 42 - There are five cards with the numbers 1,3,5,6 and 9. Find the probability that a 5 digit number formed by using these cards is divisible by 4?

Options:
1) 0.1

2) 0.3

3) 0.2

4) 0.4
Correct Answer: 0.2
 

QID : 43 - If 3 dice are thrown what is the probability of getting same digits on atleast two dices?

Options:
1) 1/36
2) 7/36
3) 27/216
4) 1/6
Correct Answer: 1/6
 

QID : 44 - In a family of three children what is probability that the third child is a girl given that the other two are also girls?

Options:
1) 1/3

2) 2/3

3) 1/4

4) 1/6
Correct Answer: 1/4
 

QID : 45 - A, B and C are three mutually exclusive and exhaustive events. P(A) = 2P(B) = 6P[C). Find P(B).

Options:
1) 0.1

2) 0.3

3) 0.6

4) 0.4
Correct Answer: 0.3
 

QID : 46 - 

Options:
1) 5.2

2) 5.4

3) 5.6

4) 5.8
Correct Answer: 5.6
 

QID : 47 - In a box of 100 bulbs 30 are defective. What is the probability of getting more than 2 defective bulbs if 5 are chosen randomly from the box?

Options:
1) 0.124

2) 0.213

3) 0.264

4) 0.163
Correct Answer: 0.163
 

QID : 48 - The mean and variance of a binomial distribution are 5 and 4 respectively. What is the probability of success?

Options:
1) 0.3

2) 0.2

3) 0.4

4) 0.1
Correct Answer: 0.2
 

QID : 49 - If the mean of a Poisson distribution is 9 then its variance is equal to ________.

Options:
1) 3

2) 9

3) 6

4) 81
Correct Answer: 9
 

QID : 50 - Find the mean of x if x is a Poisson variate satisfying the condition P(3) = P(4)?

Options:
1) 2

2) 8

3) 4

4) 16
Correct Answer: 4
 

QID : 51 - For a standard normal distribution P(-1 < z < 1) = __________

Options:
1) 0.68

2) 0.34

3) 0.99

4) 0.49
Correct Answer: 0.68
 

QID : 52 - If x follows normal distribution with mean = 20 and variance = 25. What is P(x ≥ 25)? Given P(z ≤ 1) = 0.841, P(z ≤ 2) = 0.977

Options:
1) 0.023

2) 0.16

3) 0.32

4) 0.046
Correct Answer: 0.16
 

QID : 53 - 10% of people in a village are afflicted with a viral disease. What size of sample should be taken to ensure that error of estimation of the proportion is not more than 5% with 95% confidence?

Options:
1) 138

2) 238

3) 38

4) 338
Correct Answer: 138
 

QID : 54 - A random sample of 100 articles from a large batch of articles contains 10 defective articles. What is the standard error of estimation of the sample proportion?

Options:
1) 0.02

2) 0.01

3) 0.04

4) 0.03
Correct Answer: 0.03
 

QID : 55 - A statistician estimated that the standard deviation of her measurements is 2 cm. What should be the size of the sample in order to be 99% confident that the error of her estimates of mean does not exceed 0.43 cm? (z* = 2.58, for 99% confidence level)

Options:
1) 144
2) 121
3) 169
4) 196
Correct Answer: 144
 

QID : 56 - The standard error =__________. ( s is the standard deviation of the sample, N is the population size, and n is the sample size. N >20n)

Options:
1) s/√n

2) s/√N

3) √(s/n)

4) √(s/N)
Correct Answer: s/√n
 

QID : 57 - A random sample of 2 items is picked out from a population of 15 items. The number of all such samples is ________.

Options:
1) 105

2) 60

3) 210

4) 90
Correct Answer: 105
 

QID : 58 - The average length of a sample of 50 leaves measured by a botanist was 40 mm with a standard deviation of 21 mm. Assuming normal deviation find the limits which have a 95% chance of including the expected length of the leaf.

Options:
1) 42.35 - 37.65

2) 34.12 - 45.88

3) 43.12 - 36.88

4) 44.58 - 35.42
Correct Answer: 34.12 - 45.88
 

QID : 59 - The 95% confidence level limits to a population mean are 94.12 - 105.88. Find population standard deviation if sample size is 100.

Options:
1) 15

2) 30

3) 45

4) 60
Correct Answer: 30
 

QID : 60 - In a particular study if the sample size was 50, then standard error was 8 units. How much would be the standard error if sample size was increased to 200?

Options:
1) 4

2) 2

3) 16

4) 8
Correct Answer: 4
 

QID : 61 - A random sample of 200 articles taken from a large batch of articles contains 15 defective articles. What is the estimate of the sample proportion of defective articles?

Options:
1) 0.186

2) 0.054

3) 0.0186

4) 0.54
Correct Answer: 0.0186
 

QID : 62 - A factory manufactures 10,000 bolts per day. From a sample of 500 bolts, 4% were of unacceptable quality. Estimate the interval of number of bolts that would be of unacceptable quality produced per day at 95% confidence.

Options:
1) (313, 487)

2) (305, 495)

3) (328, 472)

4) (233, 567)
Correct Answer: (233, 567)
 

QID : 63 - The mean pay of 15 H1-B visa holders was found to be Rs 65 lakhs/yr with a standard deviation of Rs 6 lakhs. What are the 99% confidence limits (in Rs lakhs) for the mean pay of the population of H1-B visa holders assuming it to be normal? (The upper 0.5% of t-distribution with 14 degrees of freedom is 2.98)

Options:
1) (61.88 , 68.12)
2) (60.22 , 69.77)
3) (62.55 , 67.45)
4) (59.33 , 70.67)
Correct Answer: (60.22 , 69.77)
 

QID : 64 - The standard error of the mean decreases if the population standard deviation ____________________________.

Options:
1) increases or if sample size increases
2) decreases or if sample size increases
3) decreases or if sample size decreases
4) increases or if sample size decreases
Correct Answer: decreases or if sample size increases

 

QID : 65 - A confidence interval increases in width as the __________________.

Options:
1) sample size is increased
2) degrees of freedom is increased
3) level of confidence increases
4) sample standard deviation is decreased
Correct Answer: level of confidence increases
 

QID : 66 - What is the value of the z-score for x = 125 if population mean and variance are 121 and 4 respectively.

Options:
1) 2
2) 1
3) -2
4) -1
Correct Answer: 2
 

QID : 67 - In statistical hypothesis testing, a type I error is the _______________________________ a false null hypothesis 

Options:
1) incorrectly retaining of a true null hypothesis, while a type II error is incorrectly retaining 
2) incorrect rejection of a true null hypothesis, while a type II error is incorrectly retaining 
3) incorrect rejection of a true null hypothesis, while a type II error is incorrect rejection 
4) incorrectly retaining of a true null hypothesis, while a type II error is incorrect rejection 
Correct Answer: incorrect rejection of a true null hypothesis, while a type II error is incorrectly retaining 
 

QID : 68 - If, Sample from Population #1:
3,5,8
Sample from Population #2:
2,4,8
Sample from Population #3:
3,6,7

Then what is the number of degrees of freedom of treatment?

Options:
1) 3

2) 1

3) 4

4) 2
Correct Answer: 2
 

QID : 69 - If we have to test if there’s a difference between two groups of patients from different hospitals trying two different therapies, then we need to use ___________.

Options:
1) Two way ANOVA without replication
2) One way ANOVA with replication
3) Two way ANOVA with replication
4) One way ANOVA without replication
Correct Answer: Two way ANOVA with replication
 

QID : 70 - If confidence level is 90% then two tailed alpha would be ________ %.

Options:
1) 10

2) 45

3) 2.5

4) 5
Correct Answer: 5
 

QID : 71 - The smaller the alpha level, the ____________________ the null hypothesis.

Options:
1) greater the area where you would reject
2) smaller the area where you would reject
3) smaller the area where you would accept
4) greater the area where you would accept
Correct Answer: smaller the area where you would reject
 

QID : 72 - The mean square of error denoted as MSE = _____________. Where SSE is the sum of squares of error, n is number of data points and m is number of samples.

Options:
1) SSE/(n - m - 2)

2) SSE/(n + m)

3) SSE/(n + m - 2)

4) SSE/(n - m)
Correct Answer: SSE/(n - m)
 

QID : 73 - The mean square for treatment is 9. The mean square for error is 4. Calculate the F-statistic.

Options:
1) 1.5

2) 2.25

3) 0.44

4) 0.66
Correct Answer: 2.25
 

QID : 74 - An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations. The degrees of freedom dF1 and dF2 for the critical value of F are _________ respectively.

Options:
1) 3 and 16
2) 3 and 19
3) 4 and 16
4) 4 and 19
Correct Answer: 3 and 16
 

QID : 75 - When an analysis of variance is performed on samples drawn from k populations, the mean square between treatments (MSTR) is __________________. (Where SSTR is treatment sum of squares and SST is total sum of squares.)

Options:
1) SSTR/(k - 1)

2) SST/(k - 1)

3) SSTR/(k+1)

4) SST/k
Correct Answer: SSTR/(k - 1)
 

QID : 76 - Convert the annual trend equation Y = a + bX into monthly trend equation.

Options:
1) Y = a/12 + (b/12)X

2) Y = 12a + bX

3) Y = a/12 + (b/144)X

4) Y = a + 12bX
Correct Answer: Y = a/12 + (b/144)X
 

QID : 77 - What is the shape of the second degree trend equation?

Options:
1) Hyperbolic
2) Parabolic
3) Exponential
4) Sinusoidal
Correct Answer: Parabolic
 

QID : 78 - If the sales (Y) Vs time (X) trendline with 2010 as origin is Y = 16.25 + 1.25X, then what will be the trendline with 2015 as origin?

Options:
1) Y = 10 + 1.25X

2) Y = 22.5 + 6.25X

3) Y = 10 + 6.25X

4) Y = 22.5 + 1.25X
Correct Answer: Y = 22.5 + 1.25X
 

QID : 79 - If the sales (Y) trend is captured by the equation Y = 500 + 20t - t2 then the maximum sales will be achieved when the time t = ________ years .

Options:
1) 20
2) 5
3) 15
4) 10
Correct Answer: 10
 

QID : 80 - Y = 500 + 0.75 t - 2.5 t2 represents the trend for output of a copper mine with 2010 as origin. Unit of Y is tonnes and unit of t is year. What will be the mine's copper output (in tonnes) in the year 2020?

Options:
1) 185.5

2) 346.5

3) 257.5

4) 742.5
Correct Answer: 257.5
 

QID : 81 - The fitted annual sales trend is Yt = 180 e0.2t. (Where t is in years and Y is in Rs lakhs) On average, sales are ___________absolute amount each year.

Options:
1) rising by a declining 
2) falling by a declining 
3) falling by an increasing 
4) rising by an increasing 
Correct Answer: rising by an increasing 
 

QID : 82 - A pattern of variation of a time series that repeats every year is called _____________.

Options:
1) Cyclical
2) Trend
3) Hyperbolic
4) Seasonal
Correct Answer: Seasonal
 

QID : 83 - 

Options:
1) 24.33

2) 24

3) 26.33

4) 24.8
Correct Answer: 24.8
 

QID : 84 - The linear trend equation developed for the annual sales Y (in Rs lakhs) of ABC Manufacturing Company is Y = 500 + 6t, where t is in years. By how much are sales increasing per year?

Options:
1) Rs 6,00,000
2) 6 percent
3) 6 times the number of years
4) in multiples of 6
Correct Answer: Rs 6,00,000
 

QID : 85 - For the linear trend equation Y = a + bt, which symbol represents the average change in the dependent variable for each unit change in time?

Options:
1) a

2) t 

3) Y

4) b
Correct Answer: b
 

QID : 86 - If the trend equation to forecast demand Y (in Rs lakhs) for the required month (t) is Y = 100 + 20t - 5t2. What is the seasonally adjusted demand forecast for month 3 for which the corresponding seasonal index is 1.25?

Options:
1) 143.75

2) 115

3) 92

4) 123.25
Correct Answer: 143.75
 

QID : 87 - Y = 100 - 0.4 t - t2 represents the trend for sales of movie tickets in a multiplex with day before release as origin. Unit of Y is in Rs thousand and unit of t is days. Sales for day 3 are ____________ than sales of day 1.

Options:
1) 8.9% greater
2) 9.8% lesser 
3) 8.9% lesser 
4) 9.8% greater
Correct Answer: 8.9% lesser 
 

QID : 88 - If the quarterly trend equation is given as Y = a + bX, then the annual trend equation will be ________________.

Options:
1) Y = 4a + 4bX

2) Y = 4a + bX

3) Y = a + 4bX

4) Y = 4a + 48bX
Correct Answer: Y = 4a + 48bX
 

QID : 89 - The last period’s sales forecast was Rs 100 lakhs and demand was Rs 90 lakhs. What is the simple exponential smoothing sales forecast (in Rs lakhs) with alpha of 0.4 for the next period?

Options:
1) 94

2) 106

3) 96

4) 104
Correct Answer: 96
 

QID : 90 - If the trendline with 2016 as origin is Y = 125 - 3t -2t2, then what will be the trendline with 2014 as origin?

Options:
1) Y = 127 + 5t -2t2

2) Y = 123 + 5t -2t2

3) Y = 125 + 7t -2t2

4) Y = 127 + 7t -2t2
Correct Answer: Y = 123 + 5t -2t2
 

QID : 91 - 

Options:
1) 137.6

2) 72.65

3) 122.3

4) 81.7
Correct Answer: 72.65
 

QID : 92 - From the prices and quantities of the base and current year Laspeyres and Bowley Price Indices were calculated as 124 and 130 respectively. Find the Paasche price index for the same data.

Options:
1) 127

2) 136

3) 118

4) 121
Correct Answer: 136
 

QID : 93 - Paasche Quantity Index is given by the formula ______________.

Options:
1) (∑QnPo)/(∑QoPo) 

2) (∑QnPn)/(∑QoPn) 

3) (∑QoPn)/(∑QoPn) 

4) (∑QnPn)/(∑QnPo) 
Correct Answer: (∑QnPn)/(∑QoPn) 
 

QID : 94 - The index number for the price of diesel in 2015 was 125 and in 2016, it was 140, on a base year of 2011. What is the percent increase in price of diesel from 2015 to 2016?

Options:
1) 25

2) 40

3) 12

4) 15
Correct Answer: 12
 

QID : 95 - A worker earned Rs 15,000 per month in 2015, when the Consumer Price Index was 250. If the base period is 2000, what are his earnings per month in 2015 in terms of value of Rs. in the year 2000?

Options:
1) Rs 37,500

2) Rs 6,000

3) Rs 10,000

4) Rs 27,500
Correct Answer: Rs 6,000
 

QID : 96 - The price index in 2016 is 116 using 2011 as base year. What will be 2011 price index if base year is changed to 2016?

Options:
1) 134.5

2) 86.2

3) 84

4) 132
Correct Answer: 86.2
 

QID : 97 - The Fisher's Index _____________________. 

Options:
1) satisfies neither the Time Reversal Test nor the Factor Reversal Test
2) satisfies the Time Reversal Test but not the Factor Reversal Test
3) satisfies both the Time Reversal Test as well as the Factor Reversal Test
4) satisfies the Factor Reversal Test but not the Time Reversal Test
Correct Answer: satisfies both the Time Reversal Test as well as the Factor Reversal Test
 

QID : 98 - Calculate Fisher's Price Index (in %) using the following data:

∑QoPn = 2700,
∑QnPn= 2250,
∑QoPo= 2750 and
∑QnPo= 2100 

Options:
1) 157.1

2) 63.6

3) 102.5

4) 95
Correct Answer: 102.5
 

QID : 99 - Find the Value Index (in %) using the following data:

∑QoPn = 2500,
∑QnPn = 2750,
∑QoPo = 2250 and
∑QnPo = 2000.

Options:
1) 122.2

2) 125

3) 112.5

4) 137.5
Correct Answer: 122.2
 

QID : 100 - 

Options:
1) 5

2) 6

3) 4

4) 7
Correct Answer: 4
 

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