Solution Found!
In Exercises, assume that the paired sample
Chapter 9, Problem 13BSC(choose chapter or problem)
In Exercises 9–20, assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal.
Speaking Couples Listed below are the numbers of words spoken in a day by each member of six different couples. The data are randomly
selected from the first two columns in Data Set 17 from Appendix B. Use a 0.05 significance level to test the claim that among couples, males speak
more words in a day than females.
Questions & Answers
QUESTION:
In Exercises 9–20, assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal.
Speaking Couples Listed below are the numbers of words spoken in a day by each member of six different couples. The data are randomly
selected from the first two columns in Data Set 17 from Appendix B. Use a 0.05 significance level to test the claim that among couples, males speak
more words in a day than females.
ANSWER:
Solution 13BSC
Using degrees of freedom of
