Refer to the Baseball 2018 data, which report information on the 30 Major League Baseball teams for

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Refer to the Baseball 2018 data, which report information on the 30 Major League Baseball teams for the 2018 season. Assume the 2018 data represents a sample.

a. Develop a 95% confidence interval for the mean number of home runs per team.

b. Develop a 95% confidence interval for the mean batting average by each team.

c. Develop a 95% confidence interval for the mean earned run average (ERA) for each team.

Data From Baseball 2018:

Team League Year Opened Team Salary Attendance Wins ERA BA HR Net Worth Arizona Diamondbacks National 1998 143.32 2.243 82 3.72 0.235 176 1.210 Atlanta Braves National 2017 130.6 2.556 90 3.75 0.257 175 1.625 Baltimore Orioles American 1992 127.63 1.564 47 5.18 0.239 188 1.200 Boston Red Sox American

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Related Book For  book-img-for-question

Statistical Techniques In Business And Economics

ISBN: 9781260239478

18th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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