Use the range rule of thumb to approximate the standard deviation.
-$15,42,53,7,9,12,14,28,47$
A) $29.1$
B) $15.8$
C) $11.5$
D) $16.6$

Name: Use the range rule of thumb to approximate the standard deviation. -$15,42,53,7,9,12,14,28,47$ A) $29.1$ B) $15.8$ C) $11.5$ D) $16.6$
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Question

Quizplus · Accepted Answer

The range rule of thumb estimates the standard deviation as the range divided by 4. The range is $53 - 7 = 46$. Dividing by 4 gives $46/4 = 11.5$.

Use the Range Rule of Thumb to Approximate the Standard 15,42,53,7,9,12,14,28,4715,42,53,7,9,12,14,28,4715,42,53,7,9,12,14,28,47

Use the Range Rule of Thumb to Approximate the Standard $15,42,53,7,9,12,14,28,47$