Learn measures of dispersion MCQs, math test for online learning courses and test prep to practice. Basic statistics multiple choice questions (MCQ), measures of dispersion quiz questions and answers for online best math courses distance learning.

Math practice test MCQ: square of standard deviation is called with options harmonic mean, variance, mode and 2nd quartile with 9th grade math worksheets online for 9th grade school students and learners. Free math revision notes to learn measures of dispersion quiz with MCQs to find questions answers based online learning tests.

MCQ: Square of standard deviation is called

1. harmonic mean
2. variance
3. mode
4. 2nd quartile

B

MCQ: Positive square root of mean of squared deviations of values from their mean is known as

1. standard deviation
2. median
3. variance
4. harmonic mean

A

MCQ: Range in data 18, 25, 12, 13, 8, 9, 20 is equal to

1. 11
2. 33
3. 13
4. 17

D

MCQ: Difference between largest value and smallest value is called

1. mean
2. mode
3. range
4. median

C

MCQ: If Xm is largest value and Xo is smallest value, then range ‘R’ is equal to

1. R = Xm - Xo
2. R = Xm⁄Xo
3. R = Xm + Xo
4. none of above

A