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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

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

1 For symmetrical distribution mega 3 is.
• A. zero
• B. 1
• C. 2
• D. 3
2 Lack of symmetry is called
• A. Kurtosis
• B. Skewness
• C. Normality
• D. All of them
3 For a symmetrical distribution.
• A. B1 = 0
• B. B1 = 3
• C. B2 = 3
• D. B3 = 3
4 The mean deviation can never be
• A. Positive
• B. Negative
• C. Zero
• D. None of these
5 A disadvantage of range is that it is based on.
• A. Absolute deviation
• B. Square deviation
• C. Two extreme observation
• D. Upper and quartile
6 Which of the following statements is correct.
• A. Every symmetrical curve is measokurtic
• B. Standard deviation is the mean squared deviations from the mean
• C. The standard deviation of a constant is constant
• D. Teh second moment about zero equals variance.
7 In a skewed distribution the three averages man, median &amp; &nbsp;mode are.
• A. identical
• B. different&nbsp;
• C. 0
• D. equal 1
8 The mean of the absolute deviations of observations from mean, median or mode is called
• A. Quartile deviation
• B. Absolute deviation
• C. Mean
• D. Mean deviation
9 The range of the scores 19,3,140,25,95,is
• A. 140
• B. 137
• C. 143
• D. 3
10 Range can be calculated in open-end classes.
• A. Never
• B. Always
• C. Often
• D. Seldom

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