1. Test the following hypothesis using the sample sales data provided in the Excel file: [60] - The average purchase amount for Males is greater than for females. - The average purchase amount for customers is 300 . There is an association between Gender and Repeat variables. 2. Develop a regression model to predict the purchase amount. (use all the three independent variables] [40] - Conclude the significance of the model and the variables. Use the regression equation to predict the purchase amount for all the observations