Page 6 of Process A Process B F-Test Two-Sample for Variances 78 70 73 72 83 71

Question

Page 6 of Process A Process B F-Test Two-Sample for Variances 78 70 73 72 83 71 Process A Process B 76.774194 75.619048 76.774194 75619048 79 75 70 74 78 75 74 an Variance Observations df 19.980645 11.447619 21 6 31 30 1.7453975 0.0983486 2.0390871 20 73 71 P( Fef one-tail 75 14 73 76 83 16 17 18 78 t-Test Two-Sample Assuming Equal Variances 74 89 76 74 72 Process A Process E 76.774194 75.619048 19.980645 11.447619 21 Mean Variance 81 75 81 70 74 78 74 79 31 16.567435 23 24 25 Pooled Variance Hypothesized Mean Difference df t Stat 1.0041487 0.160071 1.6759054 0.3201419 2.0085599 27 28 29 P(T

Explanation / Answer

F-test:

H0: The variance of two process A and B are same

H1: The variance of two process A and B are not same

From F- Test,

P-value = 0.09834 > alpha 0.05, so we accept H0

Thus we conclude that the variance of two process A and B are same

t-Test: We have to Choose result of t-test : Two sample Assuming Equal variances

H0: There is no significance difference between the means of two process A and B

H1: There is significance difference between the means of two process A and B

Here P- value = 0.32014 > alpha 0.05, so we accept H0

Thus we conclude that there is no significance difference between the means of two process A and B

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