Question: Cell phones and iPods are necessities for the current generation. Does the use of one indicate the use of the other? Seven junior high students

Cell phones and iPods are necessities for the current generation. Does the use of one indicate the use of the other? Seven junior high students who own both a cell phone and an iPod were randomly selected, resulting in the following data:

a. Complete the preliminary calculations: extensions, five sums, and SS(x), SS(y), and SS(xy).
b. Find r.

Cell, n (phone #s) 42 7 75 78 126 22 23 iPod, n (songs saved) 303 212 401 500 536 200 278

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a x y x xy y 42 303 1764 12726 91809 7 212 49 1484 44944 75 401 5625 30075 160801 78 500 ... View full answer

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