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Use the Range Rule of Thumb to Approximate the Standard 7.57.5

Question 194

Multiple Choice

Use the range rule of thumb to approximate the standard deviation.
-The race speeds for the top eight cars in a 200 -mile race are listed below. Round results to the nearest tenth.


A) 7.57.5
B) 6.86.8
C) 3.43.4
D) 1.11.1

Correct Answer:

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