Part 2 (15 POINTS)

1. For "letdie1" variable produce the appropriate descriptive statistics SPSS table and graph. Use GSS 2006 Data.
2. Write a brief summary /interpretation of the variable.
3. Construct confidence intervals (c.i.) for a population parameter.
4. Explain what the c.i. results mean in plain English.

Part 3 (15 POINTS)

1. For "age" variable produce the appropriate descriptive statistics SPSS table and graph. Use GSS 2006 Data.
2. Write a brief summary /interpretation of the variable.
3. Construct confidence intervals (c.i.) for a population parameter.
4. Explain what the c.i. results mean in plain English.

Part 4 (10 POINTS)

You are a head of an agency seeking funding for a program to reduce unemployment among teenage males. Nationally the unemployment rate for this group is 18%. A random sample of 323 teenage males in your area reveals an unemployment rate of 21.7%. Is the difference significant? Can you demonstrate a need for the program? Should you use a one-tailed test in this situation? Why? Explain the result of your test of significance as you would to a funding agency.

Part 5 (10 POINTS)

Compare the number of hours watching TV between those with less than a high school diploma and those with some graduate work.

T-Test

1. What values should be put into two blanks (----). [See the output above]
2. State the null hypothesis
3. State the research (two-tailed) hypothesis
4. State the research (one-tailed) hypothesis
5. Based on this output at the 0.05 significance level do you reject or accept the null hypothesis? Why?
6. Based on this output at the 0.05 significance level do you reject or accept the research (two-tailed) hypothesis? Why?
7. Based on this output at the 0.05 significance level do you reject or accept the research (one-tailed) hypothesis? Why?
8. Summarize your conclusions.

Part 6 (10 POINTS) Three different sections of the same Interstate highway, with roughly equal traffic volumes, have been patrolled by the State Police at different levels of intensity for the past six months. The posted speed limit is 55 and the speeds of random samples of motorists have been registered for each of the three sections. Is there any statistically significant difference in the speeds?

Oneway

1. State the null hypothesis
2. State the research hypothesis
3. Calculate the F obtained using the intermediate results from ANOVA Table

5. Interpret the results

Part 7 (10 POINTS)

Women reported being more afraid to walk at night by themselves than do men. Are these variables (fear and sex) really dependent of each other?

1. What does the cross-tabulation show?
2. State the null hypothesis:
3. State the research hypothesis:
4. Make a Decision:
5. Interpret the results of the test:

Extra Credit (5 POINTS) Refer to the Part 6 problem - Using the SPSS output below , can you determine which group is significantly different from the others and why?

Post Hoc Tests

Price: $19.88

Solution: The downloadable solution consists of 10 pages, 988 words and 15 charts.
Deliverable: Word Document