Marshawn wrote a survey that he will give to 10 friends in his math class. The survey includes the following 4 questions. Which question is MOST likely to have variability in the answers? A.
How many students are in your math class?

B.
How many science teachers work at your school?

C.
How many quizzes have been given in your math class?

D.
How many questions did you answer correctly on the last math quiz?

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.

Need solving this 2nd limit problem.

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?