# Question: In Exercise 9 63 you could not reject the null hypothesis

In Exercise 9.63 you could not reject the null hypothesis that the mean amount spent by men and the mean amount spent by women for clothing are the same, using a two-tailed test with a significance level of 0.05.

a. If you found a 95% confidence interval for the difference between means, would it capture 0? Explain.

b. If you found a 99% confidence interval, would it capture 0? Explain.

c. Now go back to Exercise 9.63. Find a 95% confidence interval for the difference between means, and explain what it shows.

a. If you found a 95% confidence interval for the difference between means, would it capture 0? Explain.

b. If you found a 99% confidence interval, would it capture 0? Explain.

c. Now go back to Exercise 9.63. Find a 95% confidence interval for the difference between means, and explain what it shows.

**View Solution:**## Answer to relevant Questions

In Exercise 9.64, you could reject the null hypothesis that the mean weights of soccer and baseball players were equal using a two-tailed test with a significance level of 0.05. a. If you found a 95% confidence interval for ...A student compared organic food prices at Target and Whole Foods. The same items were priced at each store. The first three items are shown in Figure A. Choose the correct output (B or C) for the appropriate test, explaining ...Amber Sanchez, a statistics student, collected data on the prices of the same items at the Navy commissary on the naval base in Ventura County, California, and a nearby Kmart. The items were matched for content, ...The final exam grades for a sample of day time statistics students and evening statistics students at one college are reported. The classes had the same instructor, covered the same material, and had similar exams. Using ...The table shows the heights (in inches) of a random sample of students and their parent of the same gender. Test the hypothesis that the mean for the students is more than the mean for the parents, at the 0.05 level. Assume ...Post your question