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Calculate the t-test statistic for correlation. t= (Round to four decimal places as needed.) Determine the critical value (s) for the rejection region for the test statistic t. Select the correct choice below and fill in the answer box to complete your choice. (Round to four decimal places as needed.) O A. to.005 ‡ O B. tont O C. to.01 Since the test statistic coefficient is positive in the rejection region, the null hypothesis. The data support the contention that the population correlatior

Calculate the t-test statistic for correlation. t= (Round to four decimal places as needed.) Determine the critical value (s) for the rejection region for the test statistic t. Select the correct choice below and fill in the answer box to complete your choice. (Round to four decimal places as needed.) O A. to.005 ‡ O B. tont O C. to.01 Since the test statistic coefficient is positive in the rejection region, the null hypothesis. The data support the contention that the population correlatior

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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3- Calculate the t-test statistic for correlation. t= (Round to four decimal places as needed.) Determine the critical value (s) for the rejection region for the test statistic t. Select the correct choice below and fill in the answer box to complete your choice. (Round to four decimal places as needed.) O A. to.005 ‡ O B. tont O C. to.01 Since the test statistic coefficient is positive in the rejection region, the null hypothesis. The data support the contention that the population correlatior
A random sample of two variables, x and y, produced the observations shown to the right. 10 9. 20 14 a. Develop a scatter plot for the two variables and describe what relationship, if any, exists. b. Compute the correlation coefficient for these sample data. C. Test to determine whether the population correlation coefficient is positive. Use a significance level of 0.01 for the hypothesis test. 12 9 16 12 18 12 15 9 19 12 13 10 Click the icon to view the t-distribution table. a. Which graph below shows a scatter plot for these data? O A. O B. Oc. D. Ay 16- Ay 20- Ay 20- Ay 16- 10- 0. 10- 20 16 There appears to be V linear relationship between x and y. b. What is the correlation coefficient for these sample data? E (Round to two decimal places as needed.) * To
Transcribed Image Text:A random sample of two variables, x and y, produced the observations shown to the right. 10 9. 20 14 a. Develop a scatter plot for the two variables and describe what relationship, if any, exists. b. Compute the correlation coefficient for these sample data. C. Test to determine whether the population correlation coefficient is positive. Use a significance level of 0.01 for the hypothesis test. 12 9 16 12 18 12 15 9 19 12 13 10 Click the icon to view the t-distribution table. a. Which graph below shows a scatter plot for these data? O A. O B. Oc. D. Ay 16- Ay 20- Ay 20- Ay 16- 10- 0. 10- 20 16 There appears to be V linear relationship between x and y. b. What is the correlation coefficient for these sample data? E (Round to two decimal places as needed.) * To
C. What are the appropriate hypotheses to test tor a positive correlation coefficient? O A. Ho p20 О в. Но р20 HA p<0 HA p=0 O C. Ho p<0 O D. Ho: p=0 HA p20 HA p+0 O E. Ho: p>0 O F. Ho: ps0 HA ps0 HA p>0 Calculate the t-test statistic for correlation. t= (Round to four decimal places as needed.) Determine the critical value(s) for the rejection region for the test statistic t. Select the correct choice below and fill in the answer box to complete your choice. (Round to four decimal places as needed.)
Transcribed Image Text:C. What are the appropriate hypotheses to test tor a positive correlation coefficient? O A. Ho p20 О в. Но р20 HA p<0 HA p=0 O C. Ho p<0 O D. Ho: p=0 HA p20 HA p+0 O E. Ho: p>0 O F. Ho: ps0 HA ps0 HA p>0 Calculate the t-test statistic for correlation. t= (Round to four decimal places as needed.) Determine the critical value(s) for the rejection region for the test statistic t. Select the correct choice below and fill in the answer box to complete your choice. (Round to four decimal places as needed.)
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