Question: 20. The Excel file Baseball Attendance shows the at- tendance in thousands at San Francisco Giants baseball games for the 10 years before the Oakland

20. The Excel file Baseball Attendance shows the at- tendance in thousands at San Francisco Giants" baseball games for the 10 years before the Oakland A's moved to the Bay Area in 1968, as well as the combined attendance for both teams for the next 11 years. Develop 95% confidence intervals for the mean attendance of each of the two groups. Based on these confidence intervals, would you conclude that attendance has changed after the move?

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