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counterclockwise direction (CO). For purposes of this exercise, you can assume that the 14 subjects are representative of the population of adult Americans. Subject: 3 5 6 7 8 1 2 4 9 10 11 12 13 14 57.2 35.7 54.5 56.8 51.1 70.8 77.3 51.6 54.7 63.6 S9.2 59.2 55.8 CL: 38.1 44.3 52.1 60.2 52.7 47.2 65.6 71.4 48.8 53.1 66.3 S9.8 47.5 64.5 34.4 co: n USE SALT Based on these data, is it reasonable to conclude that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction? Carry out a hypothesis test using a significance level of 0.01. (Use HCL - "co-) Find the test statistic. (Round your answer to one decimal place.) Find the df. df = Find the P-value. (Use technology to calculate the P-value. Round your answer three decimal places.) Pvalue = State your conclusion. O Fail to reject Hg. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject Ha. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject Ha. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Fail to reject Hg. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction.

counterclockwise direction (CO). For purposes of this exercise, you can assume that the 14 subjects are representative of the population of adult Americans. Subject: 3 5 6 7 8 1 2 4 9 10 11 12 13 14 57.2 35.7 54.5 56.8 51.1 70.8 77.3 51.6 54.7 63.6 S9.2 59.2 55.8 CL: 38.1 44.3 52.1 60.2 52.7 47.2 65.6 71.4 48.8 53.1 66.3 S9.8 47.5 64.5 34.4 co: n USE SALT Based on these data, is it reasonable to conclude that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction? Carry out a hypothesis test using a significance level of 0.01. (Use HCL - "co-) Find the test statistic. (Round your answer to one decimal place.) Find the df. df = Find the P-value. (Use technology to calculate the P-value. Round your answer three decimal places.) Pvalue = State your conclusion. O Fail to reject Hg. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject Ha. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject Ha. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Fail to reject Hg. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction.

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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Head movement evaluations are important because disabled individuals may be able to operate communications aids using head motion. A paper reported the accompanying data on neck rotation (in degrees) for 14 subjects both in the clockwise direction (CL) and in the counterclockwise direction (CO). For purposes of this exercise, you can assume that the 14 subjects are representative of the population of adult Americans. Subject: 1 2 3 4 7 8 9 10 11 12 13 14 CL: 57.2 35.7 54.5 56.8 51.1 70.8 77.3 51.6 54.7 63.6 59.2 59.2 55.8 38.1 co: CO: 44.3 52.1 60.2 52.7 47.2 65.6 71.4 48.8 53.1 66.3 59.8 47.5 64.5 34.4 In USE SALT Based on these data, is it reasonable to conclude that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction? Carry out a hypothesis test using a significance level of 0.01. (Use u - uco:) Find the test statistic. (Round your answer to one decimal place.) t = Find the df. df = Find the P-value. (Use technology to calculate the P-value. Round your answer to three decimal places.) P-value = State your conclusion. O Fail to reject H,. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject H,. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject H,. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Fail to reject H,. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction.
Transcribed Image Text:Head movement evaluations are important because disabled individuals may be able to operate communications aids using head motion. A paper reported the accompanying data on neck rotation (in degrees) for 14 subjects both in the clockwise direction (CL) and in the counterclockwise direction (CO). For purposes of this exercise, you can assume that the 14 subjects are representative of the population of adult Americans. Subject: 1 2 3 4 7 8 9 10 11 12 13 14 CL: 57.2 35.7 54.5 56.8 51.1 70.8 77.3 51.6 54.7 63.6 59.2 59.2 55.8 38.1 co: CO: 44.3 52.1 60.2 52.7 47.2 65.6 71.4 48.8 53.1 66.3 59.8 47.5 64.5 34.4 In USE SALT Based on these data, is it reasonable to conclude that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction? Carry out a hypothesis test using a significance level of 0.01. (Use u - uco:) Find the test statistic. (Round your answer to one decimal place.) t = Find the df. df = Find the P-value. (Use technology to calculate the P-value. Round your answer to three decimal places.) P-value = State your conclusion. O Fail to reject H,. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject H,. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Reject H,. We have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction. O Fail to reject H,. We do not have convincing evidence that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction.
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