Use the range rule of thumb to approximate the standard deviation. 22, 29, 21, 24, 27, 28, 25, 38
A) 3.50
B) 4.0
C) 4.25
D) 2.8

Name: Use the range rule of thumb to approximate the standard deviation. 22, 29, 21, 24, 27, 28, 25, 38 A) 3.50 B) 4.0 C) 4.25 D) 2.8
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Question

Quizplus · Accepted Answer

The range is 38 - 21 = 17. The range rule of thumb states that the standard deviation is approximately 1/4 of the range. Therefore, the standard deviation is approximately 17/4 = 4.25.

Use the Range Rule of Thumb to Approximate the Standard