10.119 The NBA Finals Want to attend a pro-basketball finals game? The average prices for the NBA rematch of the Boston Celtics and the L.A. Lakers in 2010 compared to the average ticket prices in 2008 are given in the following table.24

a. If we were to assume that the prices given in the table have been randomly selected, test for a significant difference between the 2008 and 2010 prices. Use a = 0.01.

b. Find a 98% confidence interval for the mean difference, aos 10- Does this estimate confirm the results of part a?

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Game 2008 (S) 2010 ($) 1 593 532 234569 684 855 727 541 907 458 5 769 621 6 753 681 533 890