Mean, Median, Variance MCQ | Descriptive Statistics for AI Multiple Choice Questions

Direction: Choose the correct option

What is the mean of a dataset?

A. Middle value

B. Average of all values

C. Difference between max and min

D. Most frequent value

Direction: Choose the correct option

What does variance measure?

A. Spread of data around the mean

B. Skewness

C. Peakedness

D. Central tendency

Direction: Choose the correct option

For a symmetric distribution, mean and median are:

A. Unrelated

B. Equal

C. Mean greater

D. Median greater

Direction: Choose the correct option

What is the standard deviation?

A. Square root of variance

B. Square of variance

C. Mean deviation

D. Variance squared

Direction: Choose the correct option

If all data points are identical, what is the variance?

A. Mean

B. 1

C. 0

D. Undefined

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