document.write( "Question 869533: Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution.\r
\n" ); document.write( "\n" ); document.write( "The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were:\r
\n" ); document.write( "\n" ); document.write( "7.2 10.5 9.9 8.2 11.0
\n" ); document.write( "7.3 6.7 11.0 10.8 12.4\r
\n" ); document.write( "\n" ); document.write( "Determine a 95% confidence interval for the mean time for all players. \n" ); document.write( "

Algebra.Com's Answer #524236 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "7.2 10.5 9.9 8.2 11.0 7.3 6.7 11.0 10.8 12.4 
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document.write( "Using: numberempire.com
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document.write( "Mean = 9.5, s = 1.98
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document.write( "ME = 1.96(1.98)/sqrt(10) = 1.23
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document.write( "CI: 9.5-1.23 < u <  9.5 + 1.23
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