{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Section_2.5_-_homework_for_2-way_tables[1]

# Section_2.5_-_homework_for_2-way_tables[1] - You can ignore...

This preview shows page 1. Sign up to view the full content.

Homework for Section 2.5 1. Here is a two-way table showing data from the National Health Interview Survey. The subjects were asked (among other things) whether they had medical insurance or Medicare, and whether they had not been able to afford to get medicine that had been prescribed for them. The numbers are in millions. Could afford medicine Could not afford medicine Totals Insurance Status Insured 156 7 163 Medicare 28 5 33 Uninsured 36 11 47 Totals 220 23 243 So there were 243 million respondents, and about 23 million had been unable to get the medicine they needed, because they could not afford to buy it. a. Identify is the explanatory variable in this data. Identify the response variable. b. Find the conditional distribution of the response variable.
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: You can ignore the millions when you find the percents, because they will cancel out when you divide. c. Describe the association between insurance status and ability to afford medicine. 2. The following 2-way table shows the total numbers of men and women who were asked the question: “Are you busy?”, and the total number of “yes” and “no” answers. Are you Busy? Yes No Totals Female 20 Male 30 Totals 25 25 50 1. Fill in the center of the table so that there is no association between sex and being busy. 2. Fill in the center of the table so that the men were more busy than the women. Moral: To see the association, you need to look at the center entries of the table....
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern