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March 1, 2015

March 1, 2015

Posted by **tim** on Sunday, February 26, 2012 at 3:08pm.

score equaled +1.50, and the standard deviation equaled 7, what was the average grade on

this exam?

a. 95.5

b. 74.5

c. 78.0

d. Cannot determine without knowing how many took the exam

e. None of the above

- statistics -
**joe blow**, Tuesday, February 28, 2012 at 3:43pm74.5

(85-64.5)/7

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