Wednesday

April 16, 2014

April 16, 2014

Posted by **lou** on Sunday, December 23, 2012 at 10:57pm.

b. Compute the variance, standard deviation, range, coefficient

of variation, and Z scores. Are there any outliers?

Explain.

c. Are the data skewed? If so, how?

d. Based on the results of (a) through (c), what conclusions

can you reach concerning the total fat of chicken

sandwiches?

- statistics (no data) -
**PsyDAG**, Monday, December 24, 2012 at 4:42pmHere is some info.

Find the mean first = sum of 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 have to let you do the calculations.

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