Page 1 of 1
Are you smarter than a second-grader? A random sample of 60 second-graders in a certain school district are given a stan
Posted: Mon Jul 11, 2022 11:38 am
by answerhappygod
- Are You Smarter Than A Second Grader A Random Sample Of 60 Second Graders In A Certain School District Are Given A Stan 1 (22.93 KiB) Viewed 22 times
Are you smarter than a second-grader? A random sample of 60 second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is x-52. Assume the standard deviation of test scores is a 15. The nationwide average score on this test is 50. The school superintendent wants to know whether the second-graders in her school district have greater math skills than the nationwide average. Use the a= 0.01 level of significance and the critical value method. Part: 0/5 Part 1 of S (a) State the appropriate null and alternate hypotheses. Ho Hâ‚‚ This hypothesis test is a (Choose one) test. PHO M D-0 PO D=0