Tyrone has 53 movies in his collection. He wants to estimate the average length, in minutes, per movie in his collection. So, he wrote down the length of 10 random movies. The lengths are listed below.
116, 138, 150, 97, 150, 116, 138, 116, 150, 97
Assuming that the sample was representative of the entire collection, what was the mean number of minutes per movie?
A.
144
B.
133
C.
106.5
D.
126.8
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