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April 19, 2014

Homework Help: math

Posted by Bill on Wednesday, May 19, 2010 at 10:44am.

The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68, 72, 67, 58, 74, 81, 72.

Display the data in a stem-and-leaf plot.

1. Find the mean.
2. Find the median.
3. Find the mode.
4. Find the range.
5. Find the variance.
6. Find the standard deviation.

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