able #10.1.9: Heights and Weights of Baseball Players

Height (inches) Weight (pounds)

76 212

76 224

72 180

74 210

75 215

71 200

77 235

78 235

77 194

76 185

72 180

72 170

75 220

74 228

73 210

72 180

70 185

73 190

71 186

74 200

74 200

75 210

78 240

72 208

75 180

a. The height and weight of baseball players are in table #10.1.9 ("MLB

heightsweights," 2013). Find the correlation coefficient and coefficient of determination and then interpret both.

b. The height and weight of baseball players are in table #10.1.9 ("MLB heightsweights," 2013).

1. Test at the 5% level for a positive correlation between height and weight of baseball players.

2. Find the standard error of the estimate.

3. Compute a 95% prediction interval for the weight of a baseball player that is 75 inches tall.