Question: 5.34 Always plot your data! Table 5.1 presents fout sets of data prepared by the statistician Ftank Anscombe to illustrate the dangers of calculating without

5.34 Always plot your data! Table 5.1 presents fout sets of data prepared by the statistician Ftank Anscombe to illustrate the dangers of calculating without fitst plotting the data.''

(a) Without I making scatterplots, find the correlation and the least-squates regression line for all four data sets. What do you notice? Use the regression line to ptedict y for x = 10.

(b) Make a scatterplot for each of the data sets and add the regression line to each plot.

(c) In which of the four cases would you be willing to use the regression line to describe the dependence of y on x? Explain your answer in each case.

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