15. Is there a relationship between alcohol consumption and GPA? The following output shows the regression equation between number of alcoholic drinks consumed in a week and GPA. Using this output, answer the following questions: Coefficients Model Unstandardized Coefficients Standardized Sig. Coefficients B Std. Error Beta (Constant) 3.445 106 32.471 000 Number of drinks (weekly) -.011 008 -.267 -1.301 207 a. Dependent Variable: GPA a) What is the correlation between these two variables? What size correlation is it? What kind of correlation is this (positive or negative) and what does that mean for this study? (2 pts) b) What is the regression equation for this data? (1 pt)