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2 August, 20:00

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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  1. 2 August, 22:59
    0
    d:126.8

    Step-by-step explanation:

    How to Find the Mean

    Add up all data values to get the sum

    Count the number of values in your data set

    Divide the sum by the count

    The mean is the same as the average value in a data set.
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