21. Television Watching The average number of hours of television watched per week by women over age 55 is 48 hours. Men over age 55 watch an average of 43 hours of television per week. Random samples...

Extracted text: 21. Television Watching The average number of hours of television watched per week by women over age 55 is 48 hours. Men over age 55 watch an average of 43 hours of television per week. Random samples of 40 men and 40 women from a large retirement community yielded the following results. At the 0.05 level of significance, can it be concluded that women watch more television per week than men? Population standard deviation Sample Size Mean Women 40 48.2 5.6 Men 40 44.3 4.5