Question: 9. Explore! Exercises 9 and 10 provide two data sets from Graphs in Statistical Analysis, by F. J. Anscombe, The American Statistician, Vol. 27. For

9. Explore! Exercises 9 and 10 provide two data sets from “Graphs in Statistical Analysis,”
by F. J. Anscombe, The American Statistician, Vol. 27. For each exercise,

a. Construct a scatterplot.

b. Find the value of the linear correlation coefficient r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables.

c. Identify the feature of the data that would be missed if part

(b) was completed without constructing the scatterplot. X 10 8 13 9 11 14 9 6 4 12 7

X 10 8 13 9 11 14 9 6 4 12 7 5 y 9.14 8.14 8.74 8.77 9.26 8.10 6.13 3.10 9.13 7.26 4.74

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