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A study was conducted by Grade 11 STEM students to investigate the health hazards of working long hours in front of a computer or word processor video displays. It found out that it took an average of 2.6 hours before a certain symptom of eye strain developed. If a similarexperiment done by Grade 12 STEM students using a sample of 15 people had a mean of 2.8 hours, with standard deviation of 1.25 hours, would this indicate that the G11 STEM students results are different with the G12 STEM students results? Use 5% level of significance.

A study was conducted by Grade 11 STEM students to investigate the health hazards of working long hours in front of a computer or word processor video displays. It found out that it took an average of 2.6 hours before a certain symptom of eye strain developed. If a similarexperiment done by Grade 12 STEM students using a sample of 15 people had a mean of 2.8 hours, with standard deviation of 1.25 hours, would this indicate that the G11 STEM students results are different with the G12 STEM students results? Use 5% level of significance.

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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A study was conducted by Grade 11 STEM students to investigate the health hazards of working long hours in front of a computer or word processor video d isplays. It found out that it took an average of 2.6 hours before a certain symptom of eye strain developed. If a similarexperiment done by Grade 12 STEM students using a sample of 15 people had a mean of 2.8 hours, with standard deviation of 1.25 hours, would this indicate that the G11 STEM students results are different with the G12 STEM students results? Use 5% level of significance.
Transcribed Image Text:A study was conducted by Grade 11 STEM students to investigate the health hazards of working long hours in front of a computer or word processor video d isplays. It found out that it took an average of 2.6 hours before a certain symptom of eye strain developed. If a similarexperiment done by Grade 12 STEM students using a sample of 15 people had a mean of 2.8 hours, with standard deviation of 1.25 hours, would this indicate that the G11 STEM students results are different with the G12 STEM students results? Use 5% level of significance.
5. Using the appropriate formula, what is the computed test statistic? (Input your answer using 3 decimal places, example: 1.234 if positive or -1.234 if the answer is negative) * 0.619 6. What is the decision based from the critical value and the computed test statistic? * Fail to reject Ho Reject Ho Accept Ha O Reect Ha 7. What is the conclusion? * Therefore, it will take an average of 2.6 hours before a certain symptom of eye strain developed on people. Therefore, it will not take an average of 2.6 hours before a certain symptom of eye strain developed on people. Therefore, it will take an average of greater than 2.6 hours before a certain symptom of eye strain developed on people. Therefore, it will take an average of less than 2.6 hours before a certain symptom of eye strain developed on people.
Transcribed Image Text:5. Using the appropriate formula, what is the computed test statistic? (Input your answer using 3 decimal places, example: 1.234 if positive or -1.234 if the answer is negative) * 0.619 6. What is the decision based from the critical value and the computed test statistic? * Fail to reject Ho Reject Ho Accept Ha O Reect Ha 7. What is the conclusion? * Therefore, it will take an average of 2.6 hours before a certain symptom of eye strain developed on people. Therefore, it will not take an average of 2.6 hours before a certain symptom of eye strain developed on people. Therefore, it will take an average of greater than 2.6 hours before a certain symptom of eye strain developed on people. Therefore, it will take an average of less than 2.6 hours before a certain symptom of eye strain developed on people.
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