week4Traciworkbook - PayTime 22 19 16 18 13 16 29 17 15 23...

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PayTime221916181316291715231821161016221725152120161519181522162420171414191527121725131716131819
1814171712232418161620152417211514192621
Confidence interval - mean95% confidence level19.5 mean4.2 std. dev.65 n1.960 z1.021 half-width20.521 upper confidence limit18.479 lower confidence limitConfidence interval - mean99% confidence level19.5 mean4.2 std. dev.65 n2.576 z1.342 half-width20.842 upper confidence limit18.158 lower confidence limitDescriptive statisticsPayTime count65 mean18.11 minimum10 maximum29 range19 population variance15.45 population standard deviation

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