Homework Answers
the test statistic value is
-3 but we use the absolute test statistic value since it is the two
tailed test.
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Answered Change your responses to resubmit T3-16 Consider the following hypothesis test: Ho: = 2.2 Ha:...
{Exercise 9.09 (Algorithmic).} Consider the following hypothesis test: Ho: u 20 Ha: p < 20 A...
{Exercise 9.09 (Algorithmic).} Consider the following hypothesis test: Ho: u 20 Ha: p < 20 A sample of 40 provided a sample mean of 19.6. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). -1.64 b. What is the p-value (to 3 decimals)? -1.757 X c. Using a = .05, can it be concluded that the population mean is less than 20? No d. Using a = .05, what is the critical...
Please clearly show and label each step Consider the following hypothesis test: Ho: μ = 16...
Please clearly show and label each step Consider the following hypothesis test: Ho: μ = 16 H1: μ ≠ 16 A sample of 50 provided a sample mean of 15.15. The population standard deviation is 3. Compute the value of the test statistic. What is the p value? At α = 0.05, what is the rejection rule using the critical value? What is your conclusion?
Consider the following hypothesis test: Ho: µS 12 Ha: µ > 12 A sample of 25...
Consider the following hypothesis test: Ho: µS 12 Ha: µ > 12 A sample of 25 provided a sample mean 14 and a sample standard deviation s= = 4.32. a. Compute the value of the test statistic (to 2 decimals). 2.31 b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. The p-value is less than .005 Answer the next three questions using the critical value approach. C. Using a = 0.05,...
3-7 Consider the following hypothesis test: Ho: u=15 Ha: u15 A sample of 40 provided a...
3-7
Consider the following hypothesis test: Ho: u=15 Ha: u15 A sample of 40 provided a sample mean of 14.16. The population standard deviation is 6. Enter negative value as negative number. a. Compute the value of the test statistic (to 2 decimals) b. What is the p-value (to 4 decimals)? Use the value of the test statistic rounded to 2 decimal places in your calculations. c. Using a 0.05, can it be concluded that the population mean is not...
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...
Consider the following hypothesis test: Ho: μ 50 Ha: μ > 50 A sample of 50...
Consider the following hypothesis test: Ho: μ 50 Ha: μ > 50 A sample of 50 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use 05. a. With = 52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? | Select ▼ b. With C-51, what is the value...
Consider the following hypothesis test. H0: μ ≤ 25 Ha: μ > 25 A sample of...
Consider the following hypothesis test. H0: μ ≤ 25 Ha: μ > 25 A sample of 47 provided a sample mean of 26.9. The sample standard deviation is 6 and the test statistic is 2.171 Determine the p-value for the given test statistic in this problem. Round your answer to three decimal places.
Name and Signature: 1. Consider the following hypothesis test A sample of 50 provided a sample...
Name and Signature: 1. Consider the following hypothesis test A sample of 50 provided a sample mean of 15.15. The population standard deviation is 3. a. Compute the value of the test statistic. b. What is the p value? C. At α : 0.05, what is the rejection rule using the critical value? what is your conclusion? 2. Consider the following hypothesis test: A sample of 60 is used and the population standard deviation is 8. Use a 0.05. a....
20. Consider the following hypothesis test: Ho: H100 A. μ A random sample of 36 observations...
20. Consider the following hypothesis test: Ho: H100 A. μ A random sample of 36 observations yields a sample mean of 125. The population standard deviation is 42. Conduct the test at a - 0.01.
Consider the following hypothesis test: Ho: u = 15 Hai ji #15 A sample of 50...
Consider the following hypothesis test: Ho: u = 15 Hai ji #15 A sample of 50 provided a sample mean of 14.15. The population standard deviation is 4. Enter negative value as negative number. a. Compute the value of the test statistic (to 2 decimals). -.03 b. What is the p-value (to 4 decimals)? Use the value of the test statistic rounded to 2 decimal places in your calculations. c. Using a = 0.05, can it be concluded that the...
{Exercise 9.09 (Algorithmic).} Consider the following hypothesis test: Ho: u 20 Ha: p < 20 A sample of 40 provided a sample mean of 19.6. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). -1.64 b. What is the p-value (to 3 decimals)? -1.757 X c. Using a = .05, can it be concluded that the population mean is less than 20? No d. Using a = .05, what is the critical...
Consider the following hypothesis test: Ho: µS 12 Ha: µ > 12 A sample of 25 provided a sample mean 14 and a sample standard deviation s= = 4.32. a. Compute the value of the test statistic (to 2 decimals). 2.31 b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. The p-value is less than .005 Answer the next three questions using the critical value approach. C. Using a = 0.05,...
3-7
Consider the following hypothesis test: Ho: u=15 Ha: u15 A sample of 40 provided a sample mean of 14.16. The population standard deviation is 6. Enter negative value as negative number. a. Compute the value of the test statistic (to 2 decimals) b. What is the p-value (to 4 decimals)? Use the value of the test statistic rounded to 2 decimal places in your calculations. c. Using a 0.05, can it be concluded that the population mean is not...
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...
Consider the following hypothesis test: Ho: μ 50 Ha: μ > 50 A sample of 50 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use 05. a. With = 52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? | Select ▼ b. With C-51, what is the value...
Name and Signature: 1. Consider the following hypothesis test A sample of 50 provided a sample mean of 15.15. The population standard deviation is 3. a. Compute the value of the test statistic. b. What is the p value? C. At α : 0.05, what is the rejection rule using the critical value? what is your conclusion? 2. Consider the following hypothesis test: A sample of 60 is used and the population standard deviation is 8. Use a 0.05. a....
20. Consider the following hypothesis test: Ho: H100 A. μ A random sample of 36 observations yields a sample mean of 125. The population standard deviation is 42. Conduct the test at a - 0.01.
Consider the following hypothesis test: Ho: u = 15 Hai ji #15 A sample of 50 provided a sample mean of 14.15. The population standard deviation is 4. Enter negative value as negative number. a. Compute the value of the test statistic (to 2 decimals). -.03 b. What is the p-value (to 4 decimals)? Use the value of the test statistic rounded to 2 decimal places in your calculations. c. Using a = 0.05, can it be concluded that the...
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