When conducting a one-tailed test for equality of means, when n1
= 54 n2 = 38 and a = 0.05, what is the t-critical v
alue
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When conducting a one-tailed test for equality of means, when n1 = 54 n2 = 38...
A hypothesis test is conducted to test the null hypothesis that the mean is less than...
A hypothesis test is conducted to test the null hypothesis that the mean is less than 12. Use a 0.01 level of significance. What type of test is this? Right tail Two tail Left tail What is the critical value? 2.33 -2.33 1.78 correct answer is not given Suppose the test statistic was -2.50 What is the conclusion? Fail to reject Ho. There is not sufficent evidence to support the claim that the mean is less than 12. Reject Ho....
Hypotheses and summary sample statistics are given for a test for a proportion. Test Ho :...
Hypotheses and summary sample statistics are given for a test for a proportion. Test Ho : p = 0.3 vs Ha :p>0.3 when the sample has p = 0.37 and n = 500. Find the value of the standardized z-test statistic and then use the standard normal distribution to find the p-value. Round your answers to three decimal places. z-test statistic - p-value = What is the conclusion using a 5% significance level? O Reject Ho O Do not reject...
Use a x-test to test the claim o 2 44 at the a = 0.05 significance...
Use a x-test to test the claim o 2 44 at the a = 0.05 significance level using sample statistics s = 43.1 and n = 21. Assume the population is normally distributed. Click the icon to view the Chi-Square Critical Values Table. Identify the null and alternative hypotheses. O A. Ho: 0544 HA: 0 >44 | 0 C. Ho: 0 < 44 Ha: 0244 OB. Ho: 0244 H: 0<44 O D. Ho: 0>44 H:08 44 Identify the test statistic....
4 ח Test the claim about the population mean, i, at the given level of significance...
4
ח Test the claim about the population mean, i, at the given level of significance using the given sample statistics. Claim: = 30; a =0.04; 0 = 3.52. Sample statistics: X = 292, n=53 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho u = 30 He: > 30 oc. Họ H= 30 H< 30 OE. HO = 30 Hy #30 OB. Ho * 30 H = 30 OD. H: > 30 H, =...
Test the claim about the population mean, μ, at the given level of significance using the...
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics Claim: -30: -0.04; ơ: 3.92. Sample statistics: x-28.5, n-64 Identify the null and alternative hypotheses. Choose the correct answer below B. Ho:H> 30 Ha: H 30 D. Ho : < 30 Ha: H<30 #30 Ha : НО. Е, 30 Ha H> 30 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the...
/ study / Test the claim about the population mean, H. at the given level of...
/ study / Test the claim about the population mean, H. at the given level of significance using the given sample statistics Claim #6000; a=0.03; = 403. Sample statistics X5900, n = 49 jestio Identify the null and alternative hypotheses Choose the correct answer below transcribe O A. Ho 6000 H 26000 OC. Ho S6000 H +6000 O E. Ho 6000 Hu*6000 OB. Ho 6000 Hus 6000 OD. Ho 6000 Ho 6000 OF. Ho 6000 H +6000 pert A Calculate...
Test the claim about the population mean, H. at the given level of significance using the...
Test the claim about the population mean, H. at the given level of significance using the given sample statistics. Claim: u = 40; a=0.01; 6 = 3.56. Sample statistics: x = 38.7, n= 76 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: = 40 Ha <40 O C. Ho: u = 40 Ha: #40 O E. Ho: #40 Ha: p= 40 OB. Ho: < 40 H: H = 40 OD. Ho: > 40 Ha...
Use ax®-test to test the laim ? < 42 at the ?:001 significance lo ol using...
Use ax®-test to test the laim ? < 42 at the ?:001 significance lo ol using sample statistics s-43.1 and n-12. Assume the population is non Identify the null and alternative hypotheses. OA. H0:0242 ally distributed. OB, Ho : ? s 42 H:42 Ha : ?<42 Ha :os42 Ha: ? 242 Identify the test statistic (Round to three decimal places as neoded.) Identify the critical value(s) Round to three decimal places as needed. Use a comma to separate answers as...
Determine the outcome and conclusion of the test. Choose from the following. O A. Reject Ho....
Determine the outcome and conclusion of the test. Choose from the following. O A. Reject Ho. At the 6% significance level, there is enough evidence to reject the claim. OB. Fail to reject Ho. At the 6% significance level, there is not enough evidence to support the claim. O C. Reject Ho. At the 6% significance level, there is enough evidence to support the claim. D. Fail to reject Ho. At the 6% significance level, there is not enough evidence...
(11) Test the claim that the average time is more than 38 minutes if a sample...
(11) Test the claim that the average time is more than 38 minutes if a sample of 36 individuals showed a mean of 41 minutes. Assume time taken is normally distributed with a standard deviation of 10. Use a 2% level of significance. Ho: Ha: Tail Decision Rule (DR) clearly showing the critical value(s) and rejection region(s). Test Statistic (TS) or calculated value Decision Reject...
Hypotheses and summary sample statistics are given for a test for a proportion. Test Ho : p = 0.3 vs Ha :p>0.3 when the sample has p = 0.37 and n = 500. Find the value of the standardized z-test statistic and then use the standard normal distribution to find the p-value. Round your answers to three decimal places. z-test statistic - p-value = What is the conclusion using a 5% significance level? O Reject Ho O Do not reject...
Use a x-test to test the claim o 2 44 at the a = 0.05 significance level using sample statistics s = 43.1 and n = 21. Assume the population is normally distributed. Click the icon to view the Chi-Square Critical Values Table. Identify the null and alternative hypotheses. O A. Ho: 0544 HA: 0 >44 | 0 C. Ho: 0 < 44 Ha: 0244 OB. Ho: 0244 H: 0<44 O D. Ho: 0>44 H:08 44 Identify the test statistic....
4
ח Test the claim about the population mean, i, at the given level of significance using the given sample statistics. Claim: = 30; a =0.04; 0 = 3.52. Sample statistics: X = 292, n=53 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho u = 30 He: > 30 oc. Họ H= 30 H< 30 OE. HO = 30 Hy #30 OB. Ho * 30 H = 30 OD. H: > 30 H, =...
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics Claim: -30: -0.04; ơ: 3.92. Sample statistics: x-28.5, n-64 Identify the null and alternative hypotheses. Choose the correct answer below B. Ho:H> 30 Ha: H 30 D. Ho : < 30 Ha: H<30 #30 Ha : НО. Е, 30 Ha H> 30 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the...
/ study / Test the claim about the population mean, H. at the given level of significance using the given sample statistics Claim #6000; a=0.03; = 403. Sample statistics X5900, n = 49 jestio Identify the null and alternative hypotheses Choose the correct answer below transcribe O A. Ho 6000 H 26000 OC. Ho S6000 H +6000 O E. Ho 6000 Hu*6000 OB. Ho 6000 Hus 6000 OD. Ho 6000 Ho 6000 OF. Ho 6000 H +6000 pert A Calculate...
Test the claim about the population mean, H. at the given level of significance using the given sample statistics. Claim: u = 40; a=0.01; 6 = 3.56. Sample statistics: x = 38.7, n= 76 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: = 40 Ha <40 O C. Ho: u = 40 Ha: #40 O E. Ho: #40 Ha: p= 40 OB. Ho: < 40 H: H = 40 OD. Ho: > 40 Ha...
Use ax®-test to test the laim ? < 42 at the ?:001 significance lo ol using sample statistics s-43.1 and n-12. Assume the population is non Identify the null and alternative hypotheses. OA. H0:0242 ally distributed. OB, Ho : ? s 42 H:42 Ha : ?<42 Ha :os42 Ha: ? 242 Identify the test statistic (Round to three decimal places as neoded.) Identify the critical value(s) Round to three decimal places as needed. Use a comma to separate answers as...
Determine the outcome and conclusion of the test. Choose from the following. O A. Reject Ho. At the 6% significance level, there is enough evidence to reject the claim. OB. Fail to reject Ho. At the 6% significance level, there is not enough evidence to support the claim. O C. Reject Ho. At the 6% significance level, there is enough evidence to support the claim. D. Fail to reject Ho. At the 6% significance level, there is not enough evidence...
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