6.75 Exercise and statistics exams.
A study examined whether exercise affects how students perform on their final exam in statistics. The -value was given as 0.68.
6.75
(a) Answers will vary. (b) Do not reject the null hypothesis. There is no evidence that exercise affects how students perform on their final exam in statistics. (c) How did they measure exercise—was it observational or experimental, how did they get the sample, etc.