6) Compute the least-squares regression line for predicting y from x given the following summary statistics. Round the slope and y-intercept to at least four decimal places. = x 8.8 = s x 1.2 = y 30.4 = s y 16 = r 0.60 Send data to Excel Regression line equation: = y

7)Compute the least-squares regression equation for the given data set. Use a TI- 84 calculators. Round the slope and y-intercept to at least four decimal places. x 44 38 16 20 25 38 19 y 73 68 24 30 43 66 33 Send data to Excel Regression line equation: = y

10) Assume that a fair die is rolled. The sample space is, 1, 2, 3, 4, 5 6, and all the outcomes are equally likely. Find P 8 . = P 8