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April 20, 2014

April 20, 2014

Posted by **ann** on Thursday, January 6, 2011 at 4:14pm.

a) between 25 and 30 minutes?

b) less than 35 minutes

c) what are the mean and standard deviation of the shopping time

- statistics -
**PsyDAG**, Saturday, January 8, 2011 at 12:51amIf it is a uniform (not normal) distribution, the range = 40 -20 = 20

a. 5/20

b. 15/20

c. Mean = 30

(I don't know how one could determine SD in this case.)

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