Are you smarter than a second-grader? A random sample of 60 second-graders in a certain school district are given a stan

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Are you smarter than a second-grader? A random sample of 60 second-graders in a certain school district are given a stan

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Are You Smarter Than A Second Grader A Random Sample Of 60 Second Graders In A Certain School District Are Given A Stan 1
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 20 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 H₂ This hypothesis test is a (Choose one) test. PHO M D-0 PO D=0
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