SOLUTION: Evaluate the following expressions for the given set of scores: a)Ex b)Ex^2 c)(Ex)^2 d)E2x e)E(x-2) Scores: x -- 0 5 3 2 Thanks for your help.

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Question 673306: Evaluate the following expressions for the given set of scores:
a)Ex b)Ex^2 c)(Ex)^2 d)E2x e)E(x-2)
Scores:
x
--
0
5
3
2
Thanks for your help.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

HIGHLY recommend setting something like this Up in an Excel worksheet

	x	x^2	2x	x-2

	0	0	0	-2

	5	25	10	3

	3	9	6	1

	2	4	4	0

sum	10	38	20	2

sum^2	100			

 

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