The manager of a company is interested in finding the impact hours of training for the employers, and their IQ on their job skills. The employees have taken a test to find out their job skills. Data related to this variable are presented in table below. Use Excel to find the multiple regression line equation. A data set including three independent variables and a response variable is presented in table below. Test scores of Hours of training 1Q level employees (out of 100) 63 98 84 W N H 72 107 88 76 110 88 84 118 93 88 121 97 89 122 98 93 127 101 8 97 132 114 1. Find the multiple linear regression equation for this data set. 2. Conduct an appropriate test to check the overall significance of the regression model. (Use a=0.05)