please answer with calculation

Question 2 The management of a supermarket wants to find if there is a relationship between the number of times a specific product is promoted on the intercom system in the store(x) and the number of units of that product sold (y). To experiment, the management selected a product and promoted it on the intercom system for 7 days, recording the number of times this product was promoted each day and the number of units sold. Summaries of a study conducted gave the following results: [x=177, Zy=144, SSxx=809.4286, SSyy=261.7143, SSxy= 407.8571 a) Calculate the correlation coefficient (r) relating number of times this product was promoted each day and the number of units sold and interpret this value. b) Find the regression line. c) Identify and interpret the slope in the context of the problem. d) Predict the number of units of this product sold on a day with 35 promotions. e) Just circle a correct answer (i) Two variables that are not related to each other may nonetheless have a very high correlation because they bothresult from some other, possibly hidden, factor. This is an example of A. An outlier B. Extrapolation C. A lurking variable D. (ii) All but one of the statements below contain a mistake. Which one could be true? A. There is a high correlation between cigarette smoking and gender. B. The correlation between age and weight of a newborn baby is r = 0.83 ounces per day. C. The correlation between blood alcohol level and reaction time is r = 0.73. D. The correlation between a person's age and vision (20/20?) is r = -1.04