s2000exam2sol. A&C

s2000exam2sol. A&C - Spring 2000 Exam 2 Solutions...

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Spring 2000 Exam 2 Solutions MSCI3710 Version A & C No. A & (C) Solution Version A&C 1 ( 10 ) According to the ANOVA table, The between treatment variation is the value of mean square term or variance, which is 27.11 However because of the terminology of the question both the variance (mean square) and the sum of squares are correctly measures of variation. D Or A 2 ( 11 ) SSE= 21.34(102.67-81.33), MSE=2.6675(21.34/8), F value= 10.17(27.11/2.6675) B 3 ( 12 ) The calculated value =10.17, F critical value= 4.07, therefore we reject the null. A 4 ( 17 ) We want to test P1 is greater than P2, therefore, Ho : P1-P2 0, Ha: P1-P2 0 C 5 (18 ) According to the t table, when df is greater than 120 and one tail test, we can use the Z test, and the critical value is 1.28 ( α =0.1) E 6 ( 6 ) The expected value for the Male/Local is 33.02(71*60/ 129) A 7 ( 7 ) According to the Chi-square table, when α =0.05, df=1 The critical value =3.841 A 8 ( 8 ) If the calculated value is 2.17, this value is less than the critical value(3.841). also, p-value is greater than 0.05. There for the conclusion is Fail to Reject Ho. C 9 ( 9 ) According to the Chi-square table, our calculated value (2.17) is
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