Write a short answer to each of the following: (a) The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture. She performs a two-tailed test of the null hypothesis that the mean for the stressed oak furniture is 600 units. What are Type I and Type II errors for this problem? (b) What is the two related samples hypothesis testing process? Give one real world example to explain. Use at least 8 sentences to answer this question. (c) An economist wishes to determine whether there is evidence that the average family income in a community is less than $75,000 or not. Should she use a two-tail or upper tail or lower tail hypothesis test? Explain.
- Write a short answer to each of the following:
(a) The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture. She performs a two-tailed test of the null hypothesis that the mean for the stressed oak furniture is 600 units. What are Type I and Type II errors for this problem?
(b) What is the two related samples hypothesis testing process? Give one real world example to explain. Use at least 8 sentences to answer this question.
(c) An economist wishes to determine whether there is evidence that the average family income in a community is less than $75,000 or not. Should she use a two-tail or upper tail or lower tail hypothesis test? Explain.
(d) Briefly explain the steps needed for a completely randomized experimental design in Analysis of Variance. Give a real world example to clarify. Use at least 8 sentences to answer this question.
(e) What is multiple
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(d) Briefly explain the steps needed for a completely randomized experimental design in Analysis of Variance. Give a real world example to clarify. Use at least 8 sentences to answer this question.
(e) What is multiple
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