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This online test contains MCQs about following topics:
Introduction to measures of dispersion . Co-efficent of variation an other relative measures . Moments . Sheppard's correction for grouping error . Skewness
Statistics Ics Part 1 Chapter 4 Online Test
Try The Statistics Ics Part 1 Chapter 4 Online Test
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Total Questions17
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Time Allowed20
Statistics Ics Part 1 Chapter 4 Online Test
00:00
Question # 1
The main advantages of using the range as a measure of dispersion is that.
Question # 2
β1 is a quantity
Question # 3
Mean deviation is always.
Question # 4
The value of quartile deviation is always
Question # 5
Quartile Co-efficient of skewness is also called as
Question # 6
In the grouped data , the range is the difference between.
Question # 7
The variance of 5,5,5,5,5 is.
Question # 8
For a moderately skewed dsitribution, whihc of the following emprical formula holds.
Question # 9
Karl Pearson's 1st co-efficient of skewness is given by formula
Question # 10
The sum of the squares of deviations is the least when measured from.
Question # 11
Which of the following statements is correct.
Question # 12
The variance of constant is always
Question # 13
First moment about mean is always equal to.
Question # 14
In a skewed distribution the three averages man, median & mode are.
Question # 15
Pearson's co-efficient of skewness is positive when distribution is
Question # 16
In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.
Question # 17
Why is it necessary to square the difference from the mean when computing the standard deviation.
ICS Part 1 Statistics Chapter 4 MCQs Test
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ICS Part 1 Statistics Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The sum of squares of deviations is a minimum if these deviations are taken from the. |
A. Mean
B. Mode
C. Median
D. All of these
|
| 2 | First moment about mean is always equal to. |
A. Standard deviation
B. Zero
C. 1
D. Variance
|
| 3 | The mean deviation can never be |
A. Positive
B. Negative
C. Zero
D. None of these
|
| 4 | The difference between largest and smallest observation is called |
A. Interval
B. Class interval
C. Range
D. Difference
|
| 5 | If Q3 = 20 and Q1 = 10 the coefficient of quartile deviation is. |
A. 3
B. 1/3
C. 2/3
D. 1
|
| 6 | The compare the variation of two or more than two sereies, we use. |
A. Mean absolute deviation
B. Variance
C. Coefficient of viariation
D. Corrected atandard deviation
|
| 7 | The positive square root of the mean of the squares of deviations of values from their mean is |
A. Variance
B. Covariance
C. Standard deviation
D. Standard error
|
| 8 | In a symmetrical distribution, the coefficient of skewness will always be. |
A. Negative
B. zero
C. 1
D. -1
|
| 9 | The value of quartile deviation is always |
A. Positive
B. Zero
C. Negative
D. None of these
|
| 10 | Mean deviationis always. |
A. More than S.D.
B. Equal to S.D.
C. Less than S.D.
D. None of these
|
Test Questions