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Assignment help 5540

by | Jun 24, 2023 | Posted Assignments

Suppose you are a golfer, and you want to compare a cheap brand and an expensive brand of golf balls. To investigate their consistency, an experienced golfer hit ten balls from each brand of ball using the same club. The data shown below indicate the distance travelled for each golf ball. Here are the results of the experiment: CHEAP 193 179 207 196 187 201 183 189 188 197 EXPENSIVE 203 196 200 197 198 201 208 201 211 205  (a) On a separate sheet, graph these distributions as a back?to?back stem?plot. (b) Find the mean distance traveled for the 10 cheap golf balls.       (c) Find the standard deviation of the distance traveled for the cheap golf balls.     (d) Find the mean distance traveled for the 10 expensive golf balls.      (e) Find the standard deviation of the distance traveled for the expensive golf balls.

Optional table for calculating 2(b) and 2(c)  Cheap Golf Ball # Distance Deviation ? Squared Deviation ? 1  2  3  4  5  6  7  8  9  10  Sum ??

Average ?? ? =  s2 =

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