A researcher wants to determine if the average hours sleep that women in college get each night is different than men in college. A group of 50 women is randomly selected and a group of 40 men is randomly selected from a local college. The college students are asked to keep track of the hours of sleep they get each night. At the end of the study, women slept an average of 7.95 hours each night with a standard deviation of 1.88. The results for men was 7.0 hours with a standard deviation of 2.75 Using a significance level of 0.05, determine if there is a difference in the hours of sleep that women and men are getting What type of test is this? a. Left tail b. Two-tail c. Right tail