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PREPARATION TIME Mean 63.04 Standard Error 1.63206011 Median 64 Mode 64 Standard Deviation 16.3206011 Sample Variance 266.3620202 Kurtosis...

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Construct a 90% confidence interval estimate for the population average time spent on preparation. Interpret the interval

prep time stats.png

prep time stats.png

PREPARATION TIME Mean 63.04
Standard Error 1.63206011
Median 64
Mode 64 Standard Deviation 16.3206011
Sample Variance 266.3620202 Kurtosis -0.333704974
Skewness -0.019386157
Range 65
Minimum 25
Maximum 90
Sum 6304 Count 100

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