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4th Chapter

## First Year Statistics Chapter 4 Online MCQ Test for 1st Year Statistics Chapter 4 (Measure of Dispersion)

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

#### ICS Part 1 Statistics Chapter 4 Test

Start Chapter 4 Test

### First Year Statistics Chapter 4 Online MCQ Test for 1st Year Statistics Chapter 4 (Measure of Dispersion)

1 The variance of 5,5,5,5,5 is.
• A. 0
• B. 25
• C. 5
• D. 125
2 In a symmetrical distribution the coefficient of skewness is equal to.
• A. -1
• B. +1
• C. 0
• D. None of these
3 For symmetrical distributions the values of co-efficent of skewness is
• A. Negative Number
• B. Positive Number
• C. Imaginary Number
• D. Pure Number
4 Which set has teh maximum varaition?
• A. 46,48,50
• B. 30,40,50
• C. 40,50,60
• D. 48,48, 49
5 Range can be calculated in open-end classes.
• A. Never
• B. Always
• C. Often
• D. Seldom
6 The mean deviation can never be
• A. Positive
• B. Negative
• C. Zero
• D. None of these
7 test2
• A. 3
• B. 4
• C. 2
8 The value of quartile deviation is always
• A. Positive
• B. Zero
• C. Negative
• D. None of these
9 Why is it necessary to square the difference from the mean when computing the standard deviation.
• A. So that the extreme values will not affect the calculation
• B. Some of the differnece will be positive and some will e negative
• C. It can change drastically from one data set to the next
• D. It is determined by only two points in the data set
10 Which of the following is a relatie measure of dispersion.
• A. Standard deviation
• B. Variance
• C. Coefficient of variation
• D. All of these

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