Use the Range Rule of Thumb to Estimate the Standard

question 19

Multiple Choice

Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-A distribution of data has a maximum value of 83, a median value of 62.5, and a minimum of 42.

• A) 5.5
• B) 8.2
• C) 20.5
• D) 10.3