Find the value of the variable(s). If your answer is not an integer, leave it in simplest radical form. 17
30°
Not drawn to scale
O x = 17.y = 34 /3
Ox - 34, y = 1713
Ox - 34-3.y = 17
Ox-17.3.7 - 34

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In angle pqr find the measure of

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.