Lab 04Template

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Bradley Kendzora INSTRUCTIONS: DS 123 Lab #4 1. Under File, select Page Setup. Select the top tab: Sheet. Due: 3/10/08 In the Print window, select Gridlines and Row and Column Headers. 2. Set column A to width 10 and column C to 16. 3. Insert a page break above row 46. Question 1. Problem 9.22, p. 369-370 Miller's t-Test: Two-Sample Assuming Equal Variances $119.25 $121.32 Miller's Albert's $122.34 Mean 121.92 114.81 $120.14 Variance 1.96 3.39 $122.19 Observations 10 10 $123.71 Pooled Variance 2.67 $121.72 Hypothesized Mean 0 $122.42 df 18 $123.63 t Stat 9.73 $122.44 P(T<=t) one-tail 0 t Critical one-tail 2.55 Albert's P(T<=t) two-tail 0 $111.99 t Critical two-tail 2.88 $114.88 $115.11 $117.02 $116.89 Hypotheses: H0: mu M - Mu A = 0 H0: mu M - Mu A =0 $116.62 HA: mu M - Mu A /= 0 HA: mu M - Mu A =/0 $115.38 $114.40 Rejection Region: $113.91 df = 18 Rej H0 if p-value < 0.01 $111.87 2.88 2.88 Test Statistic: 9.73 p-value = 0 Conclusion: Since the test statistic of with at least 99% confidence. H0 with at least 99% confidence. Implication:
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This note was uploaded on 04/16/2008 for the course IS 158 taught by Professor Moffitt during the Spring '08 term at CSU Fresno.

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