SUNY College at Buffalo Sociology 301 (Social Statistics)
Homework #8: To be due at the beginning of Chapter 9
Dr. ZHANG Jie

Submit your work on a Word file with the homework #, your name, and the date on top of it. The highest possible score for this homework is 10.

Essay Question 1:

What are the similarities and differences between a t test and an F ratio?  When are we supposed to use each of them?

Essay Question 2:

Without ANOVA, how many t tests do we have to do when we compare seven means?

Essay Question 3:

To compare religiosity of 183 people among five religious denominations, if the F ratio is 3.10, can we reject the null hypothesis at a significance level of .05?  What if the alpha is .01?

Essay Question 4:

What is MANOVA?  What is its difference with ANOVA?  Illustrate the differences with examples.

Computer Assignment:

Enter the data at the bottom of Page 253 of the textbook and run an ANOVA to answer the question whether there is significant difference between the means.