Class 9 math Practice Tests

Class 9 Math Online Tests

Free *Measures of dispersion Multiple Choice Questions (MCQ Quiz) with Answers PDF Download* (Measures of Dispersion MCQ PDF Book) to learn online 9th grade math certificate courses. Solve Basic Statistics Multiple Choice Questions and Answers (MCQs), Measures of Dispersion quiz answers PDF to learn online certification courses. Free learning App: *Measures of Dispersion MCQ* App Download & e-Book for frequency distribution, measures of central tendency test prep for taking online classes.

The MCQ: *Square of the standard deviation is called*; "Measures of Dispersion" App Download (Free) with answers harmonic mean, variance, mode and 2nd quartile to learn online certification courses. Solve basic statistics quiz questions, download Google eBook (Free Sample) for online learning.

**MCQ 1**: The square of the standard deviation is called

A) harmonic mean

B) variance

C) mode

D) 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

A) standard deviation

B) median

C) variance

D) harmonic mean

a

**MCQ 3**: The range in the data 18, 25, 12, 13, 8, 9, 20 is equal to

A) 11

B) 33

C) 13

D) 17

d

**MCQ 4**: The difference between the largest value and the smallest value is called

A) mean

B) mode

C) range

D) 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

A) R = X^{m} - X^{o}

B) R = X^{m} ⁄ X^{o}

C) R = X^{m} + X^{o}

D) none of above

a

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