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This worksheet contains values required for MegaStat charts. Boxplot 12/5/2012 16:50 2 1559681 2 2093854 3 2093854 3 2359023 1 2359023 3 2359023 3...
Refer to the Baseball 2012 data, which report information on the 30 Major League Baseball
teams for the 2012 season.
a. At the .05 significance level, can we conclude that there is a difference in the mean salary
of teams in the American League versus teams in the National League?
b. At the .05 significance level, can we conclude that there is a difference in the mean
home attendance of teams in the American League versus teams in the National
League?
c. Compute the mean and the standard deviation of the number of wins for the 10 teams
with the highest salaries. Do the same for the 10 teams with the lowest salaries. At the
.05 significance level, is there a difference in the mean number of wins for the two
groups?
