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Working at the 5% Significance level what is the reject region? 1.06 AND 1.06 D 7 1 06 ANDzr106

Working at the 5% Significance level what is the reject region? 1.06 AND 1.06 D 7 1 06 ANDzr106

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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Please answer question 9 :)

Q9. A Random Variable X has an unknown distribution, a known mean of 10 Q8. A Random Variable X has an unknown distribution, a known mean of 10 and an unknown variance, oʻ. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s² = 16. Working at the 5% Significance level what is the reject region? and an unknown variance, o. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s² = 16. Which of these is the test statistic? 4 A. z<-1.96 AND z> 1.96 B. z>-1.96 AND z< 1.96 A. z = x – 9.8 – 4/10 = 9.4 B. z = µ –= 10 = 9.6 n 10 C. z<-2.57 AND z> 2.57 D. z<-1.96 OR z> 1.96 X-u C. z = 9.8–10 10-9.8 = -0.5 D. z = 0.5 %3D 4 4 10 n 10 О А. А О В. В O A. A ОС. С О В. В O D. D ОС. С O D. D Question 7,8,9 and 10 are related questions. Q7. A Random Variable X has an unknown distribution, a known mean of 10 Q10. A Random Variable X has an unknown distribution, a known mean of and an unknown variance, o. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s = 16. Which of these is the appropriate Null and Alternative hypothesis? A. Ηg: μ- 10 ; Η: μ# 10. B. Ηg : μ- 10 ; Η: μ < 10. C. Ho: μ = 10 ; Η: μ> 10. D. x = 10 ; Hj: x ± 10. 10 and an unknown variance, o². To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, X of 9.8 and a sample variance, s² = 16. What is the hypothesis testing decision based on this data? A. Reject the Null: x = 10. C. Don't Reject the Null: µ = 10. B. Don't reject the Null: x = 10 D. Reject the Null: µ = 10. %3| O A. A O A. A ОВ. В О В. В Ос. С О С. С O D. D O D. D
Transcribed Image Text:Q9. A Random Variable X has an unknown distribution, a known mean of 10 Q8. A Random Variable X has an unknown distribution, a known mean of 10 and an unknown variance, oʻ. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s² = 16. Working at the 5% Significance level what is the reject region? and an unknown variance, o. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s² = 16. Which of these is the test statistic? 4 A. z<-1.96 AND z> 1.96 B. z>-1.96 AND z< 1.96 A. z = x – 9.8 – 4/10 = 9.4 B. z = µ –= 10 = 9.6 n 10 C. z<-2.57 AND z> 2.57 D. z<-1.96 OR z> 1.96 X-u C. z = 9.8–10 10-9.8 = -0.5 D. z = 0.5 %3D 4 4 10 n 10 О А. А О В. В O A. A ОС. С О В. В O D. D ОС. С O D. D Question 7,8,9 and 10 are related questions. Q7. A Random Variable X has an unknown distribution, a known mean of 10 Q10. A Random Variable X has an unknown distribution, a known mean of and an unknown variance, o. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s = 16. Which of these is the appropriate Null and Alternative hypothesis? A. Ηg: μ- 10 ; Η: μ# 10. B. Ηg : μ- 10 ; Η: μ < 10. C. Ho: μ = 10 ; Η: μ> 10. D. x = 10 ; Hj: x ± 10. 10 and an unknown variance, o². To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, X of 9.8 and a sample variance, s² = 16. What is the hypothesis testing decision based on this data? A. Reject the Null: x = 10. C. Don't Reject the Null: µ = 10. B. Don't reject the Null: x = 10 D. Reject the Null: µ = 10. %3| O A. A O A. A ОВ. В О В. В Ос. С О С. С O D. D O D. D
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