the data for the perceived level of stress of 30 employees and each employeeâ€™s number of...

60.1K

Verified Solution

Question

Statistics

the data for the perceived level of stress of 30 employees andeach employeeâ€™s number of absences in a 120-day period areshown.
Stress Level
Low Moderate High
2.6 2.7 2.2
2.4 2.7 2.3
2.3 2.1 2.0
2.3 2.7 2.5
2.7 2.9 2.8
2.9 2.2 2.1
2.7 2.6 1.8
3.0 2.4 1.9
3.0 2.5 2.5
2.2 2.4 2.6
a) Write the null and alternate hypotheses for the test yousuggest conducting to test for significance of difference betweenthe three levels of stress.
b) Conduct the appropriate statistical test on the data in thefile. Interpret your findings.
c) Discuss the two kinds of variance here, and indicate how theyare compared to conclude a significant difference.

Answer & Explanation Solved by verified expert

3.7 Ratings (449 Votes)

a We perform one way analysis of variance to compare the meanstress among the three groups at 5 level of significanceThe hypothesis of the test areH0 The mean stress level are same among the all threegroupsHa The See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member

Stress Level
Low	Moderate	High
2.6	2.7	2.2
2.4	2.7	2.3
2.3	2.1	2.0
2.3	2.7	2.5
2.7	2.9	2.8
2.9	2.2	2.1
2.7	2.6	1.8
3.0	2.4	1.9
3.0	2.5	2.5
2.2	2.4	2.6