Two hundred students at a school basketball game are surveyed to find the students' favorite sport. a. yes, students preferring different sports may be in the group. b. yes, this may be the only sporting event occurring that day. c. no, students attending this event are more likely to enjoy basketball. d. no, student attendance may have been required at this event.

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

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.