Homework #24

table of contents

answers
PersonAge at last birthday WeightSocial ClassPolitical Preference Sex Vote
A22YRS130 lbs hiDM no
B24150 loDFno
C23130 hiRMyes
D22110 medRFno
E26160 medRMno
F21120 loIFyes
G23140 hiIMyes
H22110 loIFyes
I26150 loDMyes
J23130 hiDFno

1. Do a frequency distribution for age at last birthday, using class intervals with a width of one year.

2. Do a frequency polygon for age at last birthday, using class intervals with a width of one year.

3. Compute the mean age, using the grouped data in problem #1.

4. Compute and interpret the standard deviation for age, using the grouped data in problem #1.

5. Compute and interpret chi square for social class and political preference. Do not combine categories or collapse the table in any way.

6. Compute the median weight.

7. Compute and interpret IQV for social class.

8. Compute and interpret phi coefficient for sex and vote.

9. Compute and interpret eta for weight and sex.

10. Compute and interpret the T-test for weight and sex

11. Compute and interpret gamma for social class and age.

12. Compute and interpret partial gamma for social class and age with vote held constant.

13. Compute and interpret partial tau for age and weight with social class held constant.

14. Compute and interpret test of significance for gamma for social class and age.

15. Compute and interpret test of significance for tau for age and weight.

16. Compute and interpret the Pearson's r for age and weight.

17. Compute and interpret the test of significance of r for age and weight.

18. Compute and interpret eta for vote and weight.

19. Compute and interpret Fisher's F-test for vote and weight.

20. Compute and interpret asymmetrical lambda for political preference and sex when political preference is the variable you are predicting.

21. Compute and interpret symmetrical lambda for political preference and sex.

22. Identify the level of measurements for the above variables indicate whether they are discrete or continuous.