Using the summary statistics provided in Exercise 12, the sports reporter calculated the following 95% confidence interval
Question:
Using the summary statistics provided in Exercise 12, the sports reporter calculated the following 95% confidence interval for the mean difference between major league baseball players and professional football players. The 95% interval for μMLB – μNFL was (–0.41, 3.09). Summarize in context what the interval means.
Data From Exercise 12
A sports reporter suggests that professional baseball players must be, on average, older than professional football players, since football is a contact sport and players are more susceptible to concussions and serious injuries. Using data from sports.yahoo.com, one player was selected at random from each team in both professional baseball (MLB) and professional football (NFL). The data are summarized below.
Transcribed Image Text:
y
S
MLB
30
27.5
3.94
NFL
32
26.16
2.78
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