1. Use the Descriptive Statistics tool to summarize the percent gross profit, gross sales, and gross profit in the Excel file Sales Data. 2. In the Excel file Facebook Survey, use a PivotTable to find the average and standard deviation of hours online/week and number of friends for females and males in the sample. 3. The Excel file Beverage Sales lists a sample of weekday sales at a convenience store, along with the daily high temperature. Compute the covariance and correlation between temperatu