Saturday

April 19, 2014

April 19, 2014

Posted by **Lisa** on Sunday, September 18, 2011 at 1:52pm.

71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68

Display the data in a stem and leaf plot. find the mean, median, mode, range, variance, and standard deviation.

- Statistics -
**PsyDAG**, Sunday, September 18, 2011 at 6:50pmMode is most frequently occurring score.

For median, arrange in order of value and choose middle-most value.

Range is highest-lowest values.

To find the mean, sum scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

Standard deviation = square root of variance

I'll let you do the calculations.

**Related Questions**

Statistics - The distribution of heights of adult males has a mean of 69 inches ...

statistics - Heights of fences are normally distributed with a mean of 52 inches...

statistics - The heights of South African men are normally distributed with a ...

Statistics - The distribution of heights of American women aged 18 to 24 is ...

statistics - The distribution of heights of American women aged 18 to 24 is ...

statistics - Suppose that the heights of female adults in the US are normally ...

statistics - The heights in inches of 14 randomly selected adult males in LA are...

Statistics - The heights in inches of 14 randomly selected adult males in LA ...

MRU - suppose a population of nursing students heights is normally distributed ...

Statistics - male heights are normaly distributed with a mean of 70 and a ...