Exam3Homework

# Exam3Homework - a. What is the research design and what are...

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A: Survey. IV: The average age of nursing home residents in Texas DV: The national average of the age of nursing home residents. B: Z-Score C: 1) Does the average age of nursing home residents in Texas differ from the national average? 2)H0: μ = 76 H1: μ ≠ 76 3) Rej. Null Rej. Null 0.03 0.03 -1.96 0 1.96 If Z < -1.96, or Z > 1.96 reject the null 1. Assume that nationwide, the average age of nursing home residents is 76 years with a standard deviation of 3.5. A nursing home administrator in Texas wishes to determine whether the state average differs from the national average. Taking a random sample of 35 residents from nursing homes in Texas, he finds a mean age of 78. Using alpha = .05, test the null hypothesis. a. What is the research design and what are the Independent and Dependent variables? b. Use your decision tree to determine which test you would run on the each. (assuming you were given the data necessary to complete the problem). c. Complete steps 1 through 3 of the 6 step hypothesis testing process. Retain Null

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A: Pre and Post Survey IV: Hostile feelings towards minority groups. DV: Frustration B: T-Estimate Mean C: 1) Does frustration lead to attributing more negative traits to minority groups? 2) H0: μ = 0 H1: μ ≠ 0 3) Rej. Null Rej. Null 0.03 0.03 -1.96 0 1.96 a. What is the research design and what are the Independent and Dependent variables? b. Use your decision tree to determine which test you would run on the each. (assuming you were given the data necessary to complete the problem). c. Complete steps 1 through 3 of the 6 step hypothesis testing process. 2. In an early study of the effects of frustration on feelings of hostility, Miller and Bugelski (1948) had a group of 20 boys at a camp rate their attitudes toward two minority groups (Mexicans and Japanese). The campers were then put through a long and difficult testing session that kept them away from their weekly movie. Finally the boys rated their attitude toward the minority
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## This note was uploaded on 05/04/2008 for the course WCOB 1033 taught by Professor Jensen during the Spring '05 term at Arkansas.

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Exam3Homework - a. What is the research design and what are...

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