The mean exam score for 47 male high school students is 24.9 and the population standard deviation is 5.5. The mean exam score for 52 female high school students is 21.7 and the population standard deviation is 4.9. At alpha a equals = 0.01, can you reject the claim that male and female high school students have equal exam scores? Complete parts (a) through (e) Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. What is the claim? A. Male high school students have greater exam scores than female students. B. Male and female high school students have different exam scores. C. Male and female high school students have equal exam scores. Your answer is correct. D. Male high school students have lower exam scores than female students. Part 2 What are He and Ha A. HO: μ<µ² Ha: udaµ2 8. HO: μ>µ² Ha: jisµ2 C. HO: μ₁-² Ha: μμ2 D. HO: μisµ2 Ha: >2 E. HO: μμ2 Ha: μ-2 F. HO: μµ2 Ha: <2 Part 3 Find the critical value(s) and identify the rejection region(s). (Round to two decimal places as needed. Use a comma to separate answers as needed.) Part 4 What is/are the rejection region(s)? Part 5 Find the standardized test statistic z (Round to two decimal places as needed.) Part 6 Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. Part 7 Interpret the decision in the context of the original claim. At the significance level, there is scores. evidence to the claim that male high school students have exam scores female high school students' exam
The mean exam score for 47 male high school students is 24.9 and the population standard deviation is 5.5. The mean exam score for 52 female high school students is 21.7 and the population standard deviation is 4.9. At alpha a equals = 0.01, can you reject the claim that male and female high school students have equal exam scores? Complete parts (a) through (e) Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. What is the claim? A. Male high school students have greater exam scores than female students. B. Male and female high school students have different exam scores. C. Male and female high school students have equal exam scores. Your answer is correct. D. Male high school students have lower exam scores than female students. Part 2 What are He and Ha A. HO: μ<µ² Ha: udaµ2 8. HO: μ>µ² Ha: jisµ2 C. HO: μ₁-² Ha: μμ2 D. HO: μisµ2 Ha: >2 E. HO: μμ2 Ha: μ-2 F. HO: μµ2 Ha: <2 Part 3 Find the critical value(s) and identify the rejection region(s). (Round to two decimal places as needed. Use a comma to separate answers as needed.) Part 4 What is/are the rejection region(s)? Part 5 Find the standardized test statistic z (Round to two decimal places as needed.) Part 6 Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. Part 7 Interpret the decision in the context of the original claim. At the significance level, there is scores. evidence to the claim that male high school students have exam scores female high school students' exam
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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