(See Solution) x bar = 9.47 hours, s = 2.14 hours. Battery life - The following data represent the battery life in hours, for a random sample of 10 full charges
Question: x bar = 9.47 hours, s = 2.14 hours.
Battery life – The following data represent the battery life in hours, for a random sample of 10 full charges on a fifth generation IPod music player.
7.3 10.2 12.9 10.8 12.1
6.6 10.2 9.0 8.5 7.1
Find the 90% confidence interval
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