Are you smarter than a second-grader? A random sample of 6l second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is x = 54. Assume the standard deviation of test scores is o = 10. The nationwide average score on this test is 51. The school superintendent wants to know whether the second-graders in her school district are different from the nationwide average. Use the a=0.01 level of significance and the critical value method. Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H:p = 51 H, :p = 51 This hypothesis test is a two-tailed ▼ test Part: 1/5 Part 2 of 5 Find the critical value(s). Round the answer(s) to three decimal places, if necessary. If there is more than one critical value, separate them with commas, Critical value(s):|
Are you smarter than a second-grader? A random sample of 6l second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is x = 54. Assume the standard deviation of test scores is o = 10. The nationwide average score on this test is 51. The school superintendent wants to know whether the second-graders in her school district are different from the nationwide average. Use the a=0.01 level of significance and the critical value method. Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H:p = 51 H, :p = 51 This hypothesis test is a two-tailed ▼ test Part: 1/5 Part 2 of 5 Find the critical value(s). Round the answer(s) to three decimal places, if necessary. If there is more than one critical value, separate them with commas, Critical value(s):|
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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