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eBook Video Consider the following hypothesis test. a. suppose n1-21, sı,-8.1, таг-26, and 822 4. use...
Consider the following hypothesis test. a. What is your conclusion if n 1-21, s 1 2-87,...
Consider the following hypothesis test. a. What is your conclusion if n 1-21, s 1 2-87, n 2 26, and s 2 2 4? Use α-05 and the p-value approach. Calculate the value of the test statistic (to 2 decimals). 2.05 3 The p-value is between .02 and.05 What is your conclusion? Cannot conclude that the two population variances are different b. Repeat the test using the critical value approach. What is the rejection rule for this hypothesis test? Round...
Consider the following hypothesis test. (a) What is your conclusion if n1-21, s12-82, n,-26, and s2...
Consider the following hypothesis test. (a) What is your conclusion if n1-21, s12-82, n,-26, and s2 4.0? Use α 0.05 and the ρ-value approach Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value- State your conclusion. Reject Ho, we cannot conclude that σ12 # σ22 Do not reject Ho, we cannot conclude that σ1z # σ2 O Reject H , we can conclude that σ. # σ 0 D Do not...
Consider the following hypothesis test. (a) What is your conclusion if n 21, s,2 - 4.2,...
Consider the following hypothesis test. (a) What is your conclusion if n 21, s,2 - 4.2, n2 26, and s22 2.0? Use a 0.05 and the p-value approach Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value- State your conclusion Reject H0. We cannot conclude that σ,<p σ2 Do not reject Ho. We cannot conclude that σ14 σ 2 o Reject H , we can conclude that σ. σ Do not...
Check My Work (11 13. O Video eBook Consider the following hypothesis test: H: =18 H:+18...
Check My Work (11 13. O Video eBook Consider the following hypothesis test: H: =18 H:+18 A sample of 48 provided a sample mean I - 17 and a sample standard deviation 4.5. If requires, round your answers to two decimal places. Enter negative values as negative numbers. a. Compute the value of the test statistic. -1.54 b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. p-value is between 0.05 and...
Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 a) what is...
Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 a) what is your conclusion if n1=21 s1^2=2.2 ,n2=26 s2^2=1.0? use α = 0.05 and the p-value approach. find the p-value (round your answer to four decimal places) b) repeat the test during the critical value approach State the critical values for the rejection rule. (Round your answers to two decimal places. If you are only using one tail, enter NONE for the unused tail.) test statistic...
You may need to use the appropriate technology to answer this question. Consider the following hypothesis...
You may need to use the appropriate technology to answer this question. Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 (a) What is your conclusion if n1 = 21, s12 = 2.2, n2 = 26, and s22 = 1.0? Use α = 0.05 and the p-value approach. Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. Reject H0. We cannot conclude that...
Video Test the following hypotheses by using the z goodness of fit test. H o: p...
Video Test the following hypotheses by using the z goodness of fit test. H o: p A 0.2, p 8-04, and p c 0.4 Ha: The population proportions are not p A 0.2 , p B 0.4 , and p c 0.4 A sample of size 200 yielded 60 in category A, 120 in category B, and 20 in category C. Use α-.01 and test to see whether the proportions are as stated in Ho . Use Table 12.4. a....
6. Testing a population mean, Methods (Exercise 9.23 eBook Consider the following hypothesis test: Ho: ?...
6. Testing a population mean, Methods (Exercise 9.23 eBook Consider the following hypothesis test: Ho: ? 12 Ha: ? > 12 A sample of 25 provided a sample mean T -14 and a sample standard deviation s 4.32. a. Compute the value of the test statistic (to 2 decimals). b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. The p-value is Select Answer the next three questions using the critical value...
A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses...
A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a - .o5. Ho : σ 2 < 50 Ha : σ 2 > 50 a. Calculate the value of the test statistic (to 2 decimals). 2.85 The p-value is between .025 and .05 What is your conclusion? Conclude that the population variance is greater than 50 b. Repeat the hypothesis test using the critical value approach. Round critical value to 3 decimal...
eBook Video Consider the hypothesis test below. Ho :Pi-Pr S Ha:P-P> The following results are for...
eBook Video Consider the hypothesis test below. Ho :Pi-Pr S Ha:P-P> The following results are for independent samples taken from the two populations. Sample 1 11-100 -0.25 Sample 2 2300 = 0.11 Use pooled estimator of p. a. What is the value of the test statistic (to 2 decimals)? b. What is the p-value (to 4 decimals)? c. With a.05, what is your hypothesis testing conclusion? Select your answer
Consider the following hypothesis test. a. What is your conclusion if n 1-21, s 1 2-87, n 2 26, and s 2 2 4? Use α-05 and the p-value approach. Calculate the value of the test statistic (to 2 decimals). 2.05 3 The p-value is between .02 and.05 What is your conclusion? Cannot conclude that the two population variances are different b. Repeat the test using the critical value approach. What is the rejection rule for this hypothesis test? Round...
Consider the following hypothesis test. (a) What is your conclusion if n1-21, s12-82, n,-26, and s2 4.0? Use α 0.05 and the ρ-value approach Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value- State your conclusion. Reject Ho, we cannot conclude that σ12 # σ22 Do not reject Ho, we cannot conclude that σ1z # σ2 O Reject H , we can conclude that σ. # σ 0 D Do not...
Consider the following hypothesis test. (a) What is your conclusion if n 21, s,2 - 4.2, n2 26, and s22 2.0? Use a 0.05 and the p-value approach Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value- State your conclusion Reject H0. We cannot conclude that σ,<p σ2 Do not reject Ho. We cannot conclude that σ14 σ 2 o Reject H , we can conclude that σ. σ Do not...
Check My Work (11 13. O Video eBook Consider the following hypothesis test: H: =18 H:+18 A sample of 48 provided a sample mean I - 17 and a sample standard deviation 4.5. If requires, round your answers to two decimal places. Enter negative values as negative numbers. a. Compute the value of the test statistic. -1.54 b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. p-value is between 0.05 and...
Video Test the following hypotheses by using the z goodness of fit test. H o: p A 0.2, p 8-04, and p c 0.4 Ha: The population proportions are not p A 0.2 , p B 0.4 , and p c 0.4 A sample of size 200 yielded 60 in category A, 120 in category B, and 20 in category C. Use α-.01 and test to see whether the proportions are as stated in Ho . Use Table 12.4. a....
6. Testing a population mean, Methods (Exercise 9.23 eBook Consider the following hypothesis test: Ho: ? 12 Ha: ? > 12 A sample of 25 provided a sample mean T -14 and a sample standard deviation s 4.32. a. Compute the value of the test statistic (to 2 decimals). b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. The p-value is Select Answer the next three questions using the critical value...
A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a - .o5. Ho : σ 2 < 50 Ha : σ 2 > 50 a. Calculate the value of the test statistic (to 2 decimals). 2.85 The p-value is between .025 and .05 What is your conclusion? Conclude that the population variance is greater than 50 b. Repeat the hypothesis test using the critical value approach. Round critical value to 3 decimal...
eBook Video Consider the hypothesis test below. Ho :Pi-Pr S Ha:P-P> The following results are for independent samples taken from the two populations. Sample 1 11-100 -0.25 Sample 2 2300 = 0.11 Use pooled estimator of p. a. What is the value of the test statistic (to 2 decimals)? b. What is the p-value (to 4 decimals)? c. With a.05, what is your hypothesis testing conclusion? Select your answer
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