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8. An English test has a mean of 104 points and a standard deviation of 24. A sample of 75 students are taught using a new method to see if their scores improved. The sample mean was 107 points. a) State the null and alternative hypotheses. b) Determine whether the results are statistically significant at a = .01. c) State your statistical decision. d) Write your answer in proper APA notation

8. An English test has a mean of 104 points and a standard deviation of 24. A sample of 75 students are taught using a new method to see if their scores improved. The sample mean was 107 points. a) State the null and alternative hypotheses. b) Determine whether the results are statistically significant at a = .01. c) State your statistical decision. d) Write your answer in proper APA notation

MATLAB: An Introduction with Applications
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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8. An English test has a mean of 104 points and a standard deviation of 24. A sample of 75 students are taught using a new method to see if their scores improved. The sample mean was 107 points. a) State the null and alternative hypotheses. b) Determine whether the results are statistically significant at a = .01. c) State your statistical decision. d) Write your answer in proper APA notation.
Transcribed Image Text:8. An English test has a mean of 104 points and a standard deviation of 24. A sample of 75 students are taught using a new method to see if their scores improved. The sample mean was 107 points. a) State the null and alternative hypotheses. b) Determine whether the results are statistically significant at a = .01. c) State your statistical decision. d) Write your answer in proper APA notation.
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