. The local ice cream shop keeps track of how much ice cream they sell versus the temperature on that day, here are their figures for the last 12 days: Ice Cream Sales vs Temperature Temperature "C Ice Cream Sales 14.2- $215 16.4- 11.9: 5185 15.2- 5332 18.5- 5406 22.1- 532 19.4 5412 25.1 5614 23.4 5344 18. 1- 5421 22.6 5445 17.2: 5408 Calculate the correlation coefficient. Predict the Ice Cream Sales for Temperature 27-C. 2. The following table gives the heights and weights of 10 friends: Name Height (cm) Weight (kg) Albert 180 87 Beth 176 65 Cindy 144 52 David 195 94 Emily 159 87 Frank 185 79 Gary 166 59 Helen 173 64 Ida 149 45 Jeremy 168 77 Calculate the correlation coefficient. Estimate the linear regression line. 3. The following table gives the math scores and times taken to run 100 m for 10 friends: Name Math score Time taken to (%) run 100 m (secs) Albert 56 11.3 Beth 29 12.9 Cindy 45 11.9 David 93 10.2 Emily 67 11.1 Frank 38 12.5 Gary 85 10.8 Helen 77 10.5 Ida 56 12.0 Jeremy 71 10.9 Calculate the correlation coefficient. Estimate the linear regression line