Scoring runs: In 2018, the mean number of runs scored by both teams in a Major League Baseball game was 8.87. Following are the numbers of runs scored in a sample of 24 games in 2019.

a. Construct a boxplot of the data. Is it appropriate to perform a hypothesis test?

b. If appropriate, perform a hypothesis test to determine whether the mean number of runs in 2018 is less than it was in 2019. Use the α = 0.05 level.

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25 6 99 10 35 6 15 15 15 10 54 13 5 73 13 46 9 14 34 7 11 56 9 12