Consider the following 10 data points saved in the LM9_134 file.
a. Plot the data on a scatterplot.
b. Calculate the values of r and r2.
c. Is there sufficient evidence to indicate that x and y are linearly correlated? Test at the α =.10 level of significance.
[Note: Starred (*) exercises are from the optional section in this chapter.] d. Calculate Spearman’s rank correlation coefficient for the data. Is there evidence that x and y are rank correlated? Test at α =.10.
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