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Independent random samples from approximately normal populations produced the results shown below. Complete parts a and b. Full data setO Sample 1 39 Sample 2 50 45 29 58 30 42 62 51 58 45 30 35 56 57 28 36 34 45 70 a. Do the data present sufficient evidence to conclude that Hi - 2 0? Use a = 0.05. Let u, be the mean of population 1 and p2 be the mean of population 2. Select the correct hypotheses below. O A. Ho: H -H2 = 0, H H -H2 #0 O B. Ho: H1 -H2 = 0, H H1 -H2>0 OC. Ho: H1 -H2 = 0, H: H -H2 <0

Independent random samples from approximately normal populations produced the results shown below. Complete parts a and b. Full data setO Sample 1 39 Sample 2 50 45 29 58 30 42 62 51 58 45 30 35 56 57 28 36 34 45 70 a. Do the data present sufficient evidence to conclude that Hi - 2 0? Use a = 0.05. Let u, be the mean of population 1 and p2 be the mean of population 2. Select the correct hypotheses below. O A. Ho: H -H2 = 0, H H -H2 #0 O B. Ho: H1 -H2 = 0, H H1 -H2>0 OC. Ho: H1 -H2 = 0, H: H -H2 <0

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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Independent random samples from approximately normal populations produced the results shown below. Complete parts a and b. Full data setO Sample 1 39 Sample 2 50 45 29 58 30 42 62 51 58 45 30 35 56 57 28 36 34 45 70 a. Do the data present sufficient evidence to conclude that H-H2 *0? Use a = 0.05. Let u, be the mean of population 1 and p2 be the mean of population 2. Select the correct hypotheses below. O A. Ho: H1 -H2 = 0, H H -H2 #0 O B. Ho: H -H2 = 0, H: H1 - H2>0 OC. Ho: H1 -H2 = 0, H: H - H2 <0
Transcribed Image Text:Independent random samples from approximately normal populations produced the results shown below. Complete parts a and b. Full data setO Sample 1 39 Sample 2 50 45 29 58 30 42 62 51 58 45 30 35 56 57 28 36 34 45 70 a. Do the data present sufficient evidence to conclude that H-H2 *0? Use a = 0.05. Let u, be the mean of population 1 and p2 be the mean of population 2. Select the correct hypotheses below. O A. Ho: H1 -H2 = 0, H H -H2 #0 O B. Ho: H -H2 = 0, H: H1 - H2>0 OC. Ho: H1 -H2 = 0, H: H - H2 <0
Now find the test statistic. t3D (Round to two decimal places as needed.) Find the p-value. p-value D Round to two decimal places as needed.) Choose the correct conclusion below. O A. Reject Ho. There is sufficient evidence that the means differ. B. Reject Ho: There is insufficient evidence that the means differ. OC. Do not reject Ho. There is insufficient evidence that the means differ. O D. Do not reject Ho. There is sufficient evidence that the means differ. b. Construct a 90% confidence interval for (H1 - H2). The confidence interval is ( D- (Round to three decimal places as needed.)
Transcribed Image Text:Now find the test statistic. t3D (Round to two decimal places as needed.) Find the p-value. p-value D Round to two decimal places as needed.) Choose the correct conclusion below. O A. Reject Ho. There is sufficient evidence that the means differ. B. Reject Ho: There is insufficient evidence that the means differ. OC. Do not reject Ho. There is insufficient evidence that the means differ. O D. Do not reject Ho. There is sufficient evidence that the means differ. b. Construct a 90% confidence interval for (H1 - H2). The confidence interval is ( D- (Round to three decimal places as needed.)
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