algebra
posted by jacob .
suppose h i equals the number of points lindsey scored in the ieth basketball game so far this season, and h1=14, h2=12, h3=18, h4=14, h5=18, h6=19, h8=16
which expression represents the mean number of points scored per game.
a)7
E hi
i=1/7
b)8
E hi
i=1/8
c) 1
E hi
i=8/8
d) 8
E hi2
i=7/8

I don't understand the notation or the E symbol. All they are asking for is the average number of points scored per game. Take the sum of the hi values and divide by 8.
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