# Latest MCQs Questions

Â Practice the problems of standard deviation by answering the following multiple choice questions.

Question 1

**
**

**A standard deviation can never be**

**A.**

positive

**B.**

negative

**C.**

zero

**D.**

none

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A standard deviation can never be

If for a moderately symmetrical distribution mean deviation is 12, then the value of standard deviation is...?

The sample standard deviation for the given data is: 3, 9, 12, 18, 20, 25, 30, 32, 36, 42

The square root of the average of squared deviations from the mean is called

If the variance of the population data set is 88.97, then the standard deviation is:

Which of the following term is the measure of variability

The variance is the square of?

The standard deviation of the first 15 whole numbers is

The sample standard deviation is denoted by:

The standard deviation of 30, 20, 28, 24, 11, and 17 is

What is the sample mean and sample variance of the given data is 30,20,18,24,11,17

If the standard deviation of a set is 14, then the standard deviation is: