Jose graphed the opposite of the opposite of 3 on the number line. First, he graphed point Pon the number line 3 units to the right of zero.
Next, he graphed the opposite of Pon the number line 3 units to the left of
zero and labeled it K. Finally, he graphed the opposite of K and labeled it
K
0
Is his diagram correct? Explain. If the diagram is not correct, explain his error, and correctly locate and labe
point Q.

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.