Problem Statement: A sample of 55 students is selected. Data is collected on the students' GPA, the # of hours studying per week, the # of hours sleeping per night and gender. Divide the sample into two samples based on gender (Females versus Males). Calculate the statistics for all variables and answer the following questions: a) Decide at the level of significance of 5% if there is any difference between the average GPA of females and males. b) Decide at the level of significance of 5% if there is any difference between the average # of hours studying per week of females and males. c) Decide at the level of significance of 5% if there is any difference between the average # of hours sleeping per night of females and males