a-2. Interpret the sample correlation coefficient between age and happiness. O The correlation between age and happiness is positive and moderate. The correlation between age and happiness is negative and moderate. O There is no correlation between age and happiness. b. Draw a scatterplot to evaluate your interpretation of the calculated sample correlation value. The interpretation is reliable given that for the majority of observations, a direct relationship exists. The interpretation is reliable given that for the majority of observations, an inverse relationship exists. The interpretation is flawed given the linear relationship that seems to exist between these two variables. The interpretation is flawed given the non-linear relationship that seems to exist between these two variables.