Stats HW Problem 11.21

# Stats HW Problem 11.21 - 3.39 Effective 14.42 27.84 29.83...

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Jason Sigal Stats 072 HW Problem 11.21 Chi-Square Test Observed Frequencies Cycle Time Calculations Effectivness <1 Month 1-2 Months 2-4 Months >4 Months Total fo-fe Highly Effective 15 28 24 6 73 2.9 4.64 -1.03 -6.51 Effective 9 26 33 19 87 -5.42 -1.84 3.17 4.09 Ineffective 5 2 3 5 15 2.51 -2.8 -2.14 2.43 Total 29 56 60 30 175 Expected Frequencies Cycle Time Effectivness <1 Month 1-2 Months 2-4 Months >4 Months Total (fo-fe)^2/fe Highly Effective 12.1 23.36 25.03 12.51 73 0.7 0.92 0.04
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Unformatted text preview: 3.39 Effective 14.42 27.84 29.83 14.91 87 2.04 0.12 0.34 1.12 Ineffective 2.49 4.8 5.14 2.57 15 2.54 1.63 0.89 2.29 Total 29 56 60 30 175 Data Level of Significance 0.05 Number of Rows 3 Number of Columns 4 Degrees of Freedom 6 Results Critical Value 12.59 Chi-Square Test Statistic 16.03 0.01 Reject the null hypothesis Expected frequency assumption is met. p-Value...
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## This homework help was uploaded on 03/30/2008 for the course STATS 072 taught by Professor Judd during the Spring '08 term at Drake University .

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