Class 9 math Practice Tests

Class 9 Math Online Tests

The *Measures of dispersion Multiple Choice Questions (MCQ Quiz) with Answers PDF* (Measures of Dispersion MCQ PDF e-Book) download to practice Grade 9 Math Tests. Study Basic Statistics Multiple Choice Questions and Answers (MCQs), Measures of Dispersion quiz answers PDF to study online certificate courses. The *Measures of Dispersion MCQ App* Download: Free learning app for frequency distribution, measures of central tendency test prep for online school classes.

The MCQ: *The positive square root of the mean of the squared deviations of the values from their mean is known as;* "Measures of Dispersion" App Download (Free) with answers: Standard deviation; Median; Variance; Harmonic mean; to study online certificate courses. Solve Basic Statistics Quiz Questions, download Apple eBook (Free Sample) for online learning.

MCQ 1:

The square of the standard deviation is called

- harmonic mean
- variance
- mode
- 2nd quartile

b

MCQ 2:

The positive square root of the mean of the squared deviations of the values from their mean is known as

- standard deviation
- median
- variance
- harmonic mean

a

MCQ 3:

The range in the data 18, 25, 12, 13, 8, 9, 20 is equal to

- 11
- 33
- 13
- 17

d

MCQ 4:

The difference between the largest value and the smallest value is called

- mean
- mode
- range
- median

c

MCQ 5:

If X^{m} is the largest value and X^{o} is the smallest value, then the range ‘R’ is equal to

- R = X
^{m}- X^{o} - R = X
^{m}⁄ X^{o} - R = X
^{m}+ X^{o} - none of above

a

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