The data below is for a hypothetical study investigating the Systolic Blood Pressure

The data below is for a hypothetical study investigating the Systolic Blood Pressure (SBP) of construction workers. The table shows respective measurements of 20 workers along with hours of work per day and the area of the city the work took place. l [You can use Excel-Data Analysis – Regression or http://vassarstats.net/multU.htm|] a) What is the regression equation? b) Interpret the meaning of the slopes in this problem. d) At the 0.05 level of significance, determine whether each independent variable makes a contribution to the regression model. Indicate the most appropriate regression model for this set of data. e} Interpret the meaning of the coefficient of determination. 2} The following table includes the number of mg of a particular drug administered in a treatment, along with the survival outcome of the patient.