Screen Shot 2019-12-01 at 6.20.26 PM.png - Question 3 Find the 95 confidence interval for the difference in mean monthly online expenditures between

# Screen Shot 2019-12-01 at 6.20.26 PM.png - Question 3 Find...

• 1

This preview shows page 1 out of 1 page.

#### You've reached the end of your free preview.

Want to read the whole page?

Unformatted text preview: Question 3. Find the 95% confidence interval for the difference in mean monthly online expenditures between males and females. 5.19 . lower bound of confidence interval (use 2 decimal places in your answer). 79.31 V upper bound of confidence interval (use 2 decimal places in your answer). Question 4. The results in questions 1 and 3 seem contradictory. Which method is correct: doing two-sample inference as in question 3, or doing one-sample inference twice as in question 1? . Two-sample inference; that is, calculate one confidence interval for the difference between the means as in Question 3. O One-sample inference twice; that is, calculate a confidence interval for each individual mean as in Question 1....
View Full Document

• Spring '09
• reiland

### 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