Mathematics, 30.07.2021 01:50, s9227575

The football coach randomly selected 10 players and timed how long each player took to perform a certain drill. The result has a sample mean of 9.48 minutes and sample standard deviation of 2.14 minutes. Round answers to two decimals. The 95% confidence interval for the mean time for all players is :

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The football coach randomly selected 10 players and timed how long each player took to perform a cer...