Statistics
Standard Deviation
Premium Question
Grade 11

Question:

If the variance of a data set is 16, then its standard deviation is:
(1) 4
(2) 8
(3) 16
(4) 2

Step-by-Step Solution

Key Concept: Recall the basic relationship between the two quantities — one is defined as the (positive) square root of the other.
The detailed step-by-step mathematical proof is available inside the Mathbee app workspace.
Correct Answer: (1)

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