Given a data set, use a graphing calculator or other device to determine the line of best fit (least-squares regression line). Let x high temperature (in degrees F) and y the number of cups of lemonade sold at a local stand. Temperature(x) 68 71 77 81 83 38 91 95 Cups Lemon.(y) 13 18 22 32 34 44 46 53 Use the best fit line to predict the number of cups of lemonade that will sell when the high temperature is 98. O 55 O 77 61 O O 57