Use the data given below to answer the following questions: 68, 63, 67, 66, 65, 87, 69, 61, 86, 82, 28
a. what is the outlier of the data?
b. what is the mean of the data with the outlier included?
c. what is the mean of the data without the outlier included?

I am on the same question, I will try to find it out.

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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