Stats Solutions

[Solution] Always plot your data! Table 5.1 presents four sets of data prepared by the statistician Frank Anscombe to illustrate the dangers of calculating

Question: Always plot your data! Table 5.1 presents four sets of data prepared by the statistician Frank Anscombe to illustrate the dangers of calculating without first plotting the data.

  1. Without making scatterplots, find the correlation and the least-squares regression line for all four data sets. What do you notice? Use the regression lines to predict \(y\) for \(x=10\)
  2. Make a scatterplot for each of the data sets and add the regression line to each plot.

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    Solution: The downloadable solution consists of 7 pages
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