2. In the same study as in #1, the nutritionist calculates a correlation coefficient, r, of -0.231 and a coefficient of determination 0.053. a. Interpret the correlation coefficient. b. Interpret the coefficient of determination. 3. In the same study as in #1, the nutritionist calculates tests whether the slope is equal to 0 and calculates a p- value for equal to 0.071. (a) Interpret the p-value. (b) Is there convincing evidence that there is a true relationship between age and consumption of soda? Explain why or why not