One of the authors of this book used to be a professional figure skater. For her project when she took introductory statistics (from another author of this book), she was interested in which of two jumps she landed more consistently. She did 50 double loops (landed 47 successfully) and 50 double flips (landed 48 successfully), and wanted to determine whether this was enough evidence to conclude that she had a higher success rate with one jump than the other.

We have learned a lot of methods in this course, some of which are given below. State which statistical method would be most appropriate for the given question or situation.

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Interval for a Proportion Interval for a Mean Interval for Difference in Proportions Interval for Difference in Means Interval for Correlation Test for a Proportion Test for a Mean Test for Difference in Proportions Test for Difference in Means Test for Correlation Chi-Square Goodness of Fit Chi-Square Test for Association ANOVA for Difference in Means Simple Linear Regression Multiple Regression