Average Penalty Minutes in the NHL An interval estimate was constructed for mean

Question

Average Penalty Minutes in the NHL

An interval estimate was constructed for mean penalty minutes given to NHL players in a season using data from players on the Ottawa Senators as our sample. Some percentiles from a bootstrap distribution of 5000 sample means are shown below.

Use this information to find a 90% confidence interval for the mean penalty minutes of NHL players. Assume that the players on this team are a reasonable sample from the population of all players.

Enter the exact answers.

The 90% confidence interval is

    0.5% 1.0% 2.0% 2.5% 5.0% 95.0% 97.5% 98.0% 99.0% 99.5% Percentile 21.8 22.8 23.9 24.4 25.8 43.5 45.5 46.1 47.7 49.5

Explanation / Answer

90% confidence interval will exclude 5% area to its left and 5% area to its right. Hence,

90% confidence interval will be:

24.4 to 43.5

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