# Question: On October 6 2010 Roy Halladay of the Philadelphia Phillies

On October 6, 2010, Roy Halladay of the Philadelphia Phillies threw the second post-season no-hitter in major league history. The side-by-side boxplot on the next page shows the pitch speed (in miles per hour) for all of Halladay’s pitches during the game.

(a) Which pitch is typically thrown the fastest?

(b) Which pitch is most erratic as far as pitch speed goes?

(c) Which pitch is most consistent as far as pitch speed goes, the cut fastball or the four-seam fastball?

(d) Are there any outliers for Halladay’s cut fastball? If so, approximate the pitch speed of the outlier.

(e) Describe the shape of the distribution of Halladay’s curveball.

(f) Describe the shape of the distribution of Halladay’s four-seam fastball.

(a) Which pitch is typically thrown the fastest?

(b) Which pitch is most erratic as far as pitch speed goes?

(c) Which pitch is most consistent as far as pitch speed goes, the cut fastball or the four-seam fastball?

(d) Are there any outliers for Halladay’s cut fastball? If so, approximate the pitch speed of the outlier.

(e) Describe the shape of the distribution of Halladay’s curveball.

(f) Describe the shape of the distribution of Halladay’s four-seam fastball.

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