A confidence interval for a sample is given, followed by several hypotheses to test using that sample. In each case, use the confidenceinterval to give a conclusion of the test (if possible) and also state the significance level you are using.(a) Ho: μ=Conclusion:Significance level:108 vs Ha: μ ‡ 108Conclusion:(b) Ho: μ = 131 vs Ha: μ # 131Significance level:Conclusion:Ho(c) Ho: μ = 192 vs Ha: μ ‡ 192Significance level:НоHoA 99% confidence interval for μ: 120 to 158

Given 99% CI for population mean μ is 120 to 158. Result: If the null hypothesis value lie in the…

Answered: A confidence interval for a sample is…

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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Construct the confidence interval for the population mean u. c=0.98, x = 7.8, 0 =0.5, and n = 53 A 98% confidence interval for u is (?,? )
Use the paired t-interval procedure to obtain the required confidence interval. You may assume that the conditions for using the procedure are satisfied. If a= 3.125, sa = 2.911, and n= 8, determine a 90% confidence interval for u, - 42- A. 0.215 to 6.035 B. 2.435 to 3.815 O C. 2.435 to 5.075 O D. 1.175 to 5.075
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Hypotheses for a statistical test are given, followed by several possible confidence intervals for different samples. In each case, use the confidence interval to state a conclusion of the test for that sample and give the significance level used. Hypotheses: Ho :p = 0.7 vs Ha:p + 0.7 (a) 95 % confidence interval for p: 0.55 to 0.85 Conclusion: v Ho Significance level: (b) 95 % confidence interval for p: 0.84 to 0.90 Conclusion: Ho Significance level: (c) 99 % confidence interval for p: 0.66 to 0.82 Conclusion: Но Significance level:
Please answer all parts You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly different from 75% at a significance level of αα = 0.10. According to your sample, 47 out of 58 potential voters prefer Candidate A. For this study, we should use The null and alternative hypotheses would be: H0H0: (please enter a decimal) H1H1: (Please enter a decimal) The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is αα Based on this, we should the null hypothesis. As such, the final conclusion is that ... The sample data suggest that the population proportion is not significantly different from 75% at αα = 0.10, so there is not sufficient evidence to conclude that the proportion of voters who prefer Candidate A is different from 75%. The sample data suggest that the…
8
Hypotheses for a statistical test are given, followed by several possible confidence intervals for different samples. In each case, use the confidence interval to state a conclusion of the test for that sample and give the significance level used. Hypotheses: H0:μ=15 vs Ha:μ≠15 (a) 95% confidence interval for μ: 13.6 to 17.8Conclusion: H0Significance level: (b) 90% confidence interval for μ: 11.7 to 18.0Conclusion: H0Significance level: (c) 95% confidence interval for μ: 9.9 to 13.7Conclusion: H0Significance level:
Two intervals are given, A and B, for the same value of the explanatory variable. A: 11 to 17; B: 8 to 20; (a) Which interval is the confidence interval for the mean response?A or B Which interval is the prediction interval for the response?A or B (b) What is the predicted value of the response variable for this value of the explanatory variable?Enter the exact answer.The predicted value is=
Use the given confidence interval to find the margin of error and the sample mean. (12.7,19.7) The sample mean is (Type an integer or a decimal.) The margin of error is (Type an integer or a decimal.)
You are conducting a hypothesis test where alternative (research) hypothesis is that mu is greater than 850. You are testing at the 0.01 significance level. You take a sample of size 64 and calculate your test statistic to be -1.50. What would your test statistic be if you were testing, instead, at the 0.10 significance level?
Use the given confidence interval to find the margin of error and the sample mean. (12.6,22.0) The sample mean is (Type an integer or a decimal.)

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