Find the coordinates after the rectangle is dilated by a scale factor of 2 with the origin as center. P (-5, -6), Q(-1,2), R (4,4) S(1,-3)
OP(-10, -12) Q (-2, 4) R (8,8) S (2, -6)
O P (5,6) Q (1,2) R (4,4) S (1, -3)
O P (10,12) Q (2.4) R (-8,-8) S (2,6)
OP (-10, – 12) Q (-2,4) R (-8,-8) S (2,-6)

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.