Use the range rule of thumb to estimate the standard deviation to the nearest tenth.
-22, 29, 21, 24, 27, 28, 25, 36
A)2.8
B)1.7
C)4.2
D)3.8

Name: Use the range rule of thumb to estimate the standard deviation to the nearest tenth. -22, 29, 21, 24, 27, 28, 25, 36 A)2.8 B)1.7 C)4.2 D)3.8
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Question

Quizplus · Accepted Answer

The range is 36 - 21 = 15. The range rule of thumb states that the standard deviation is approximately equal to the range divided by 4. Therefore, the standard deviation is approximately equal to 15 / 4 = 3.8.

Use the Range Rule of Thumb to Estimate the Standard