May 2021.pdf 5. Consider the following scatter plot that shows temperature vs number of ice cream sold, with temperature being the independent variable. a) Determine the correlation coefficient [1 mark] y= 2.69x - 0.33 * b) Describe the type and strength of correlation [1 mark] RZ = 0.8747 c) Use the regression equation to estimate the number of 20 ice cream sold when the temperature is 18. [2 mark] 20 2 d) What temperature would result in the sale of 80 ice creams? [2 mark] e) The process in c) is (fill the blank with either interpolation /extrapolation) [0.5 mark] The process in d) is 3 (fill the blank with either interpolation /extrapolation) [0.5 mark]