Homework Help: statistics

Posted by Chris on Wednesday, September 21, 2011 at 6:46pm.

The scores on the final exam in a course have approximately a bell-shaped distribution. The mean score was 72, the highest score was 99, and the lowest score was 41.

Use the value of the range (58) to estimate the value of the standard deviation. (Round your answer to the nearest tenth.)

statistics - MathGuru, Wednesday, September 21, 2011 at 7:13pm
Take the range and divide by 4 for an estimate of the standard deviation.
statistics - diane, Tuesday, September 27, 2011 at 6:53pm
10

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