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the data for the perceived level of stress of 30 employees and each employee’s number of...

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Statistics

the data for the perceived level of stress of 30 employees andeach employee’s number of absences in a 120-day period areshown.

Stress Level
LowModerateHigh
2.62.72.2
2.42.72.3
2.32.12.0
2.32.72.5
2.72.92.8
2.92.22.1
2.72.61.8
3.02.41.9
3.02.52.5
2.22.42.6

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
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