EXAM 2 PAGE 5F6 PART IL DIRECTIONS, PART Il: In the open space on your Scantron

Question

EXAM 2 PAGE 5F6 PART IL DIRECTIONS, PART Il: In the open space on your Scantron form, answer the following questions in the order they are assigned. Be sure to CLEARLY LABEL your work, including the question number, what it is you are solving for, the equation you use in your calculations and the final answer. Write clearly. Work that is poor organized and/or labeled will be marked off. Write clearly. Work that is poorly Use the following problem ouline to conduct all the each test. Use the data and analysis that are shown on the mex page (Last Page). Include Levene's Test and the appropriate T-test. There should be twe complete hopothesis tests on your Scantron One Levene's Tat and one T-test. Be sure to put your written answers OVER ON your Scantron form NOT HERE - please and thank you ng problem outline to conduct all he approprlate hyporhesis tests helow Incluade the p-V'atue hypothesis tests below Include the p-Value for In planning the processes to be incorporated into a new manufacturing facility, cngineers have proposed two possible assembly procedures for one of the phases in the prodaction sequence. Production workers have taken part in preliminary tests, with data on the number of units produced in one hour for 31 workers using Process A and 21 workers using Process B. Given the data and analyses on the next page, use the 0.05 level of significance and the appropriate statistical test to determine whether the average number of units produced by workers using Process A could be different from the average number of units produced by workers using Process B Follow the outline below to do the appropriate hypothesis tests This is just an outline. Use this outline ON YOUR SCANTRON If you de not enderstand the instructions, ask the instructor any questions about the instructions you might have. Good Luck L HYPOTHESES II. DECISION RULE WITH REJECTION REGION(S) Inchade a fully labeled graphic of the rejection region and the decision rule in complete sentences Include alpha (a) and the appropriate degrees of freedom for tests. IL.TEST STATISTIC IV. CONCLUSION Using a complete sentence,please indicate the conclusion you should draw from your analysis V. IMPLICATION(S) Using o complete sentcrnce,please indicale the implications ofyour anaysis VI. VLAlso inclukthep-Value each respective test by stating is value, for example, Value- - Scanned by CamScanner

Explanation / Answer

Ho: there is no significant difference in the variances of 2 groups

h1; there is significant difference in the variances of 2 groups

With F = 1.74 and p-value > 0.05, I fail to reject ho and conclude that there is no significant difference in the variances of 2 groups

Hence I apply t-test for independent samples with equal variances

Ho: there is no significant difference in the mean of 2 groups

h1; there is significant difference in the mean of 2 groups

With t = 1.004 and p-value > 0.05, I fail to reject ho and conclude that there is no significant difference in the mean of 2 groups

4) Conclusion: With F = 1.74 and p-value > 0.05, I fail to reject ho and conclude that there is no significant difference in the variances of 2 groups

With t = 1.004 and p-value > 0.05, I fail to reject ho and conclude that there is no significant difference in the mean of 2 groups

5) Implications: there is no significant difference in the mean of 2 groups. here there is a chance of type II error.

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