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April 1, 2015

April 1, 2015

Posted by **Lyn** on Thursday, December 26, 2013 at 7:00pm.

a. 3

b. 4.5

c. 9

d. 81

- statistics -
**Kuai**, Thursday, December 26, 2013 at 10:55pmS^2 = 9

s = 3

Ans a

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