Use the Following to Answer Questions

question 19

Short Answer

Use the following to answer questions :
A sample of 126 corporate managers and another sample of 168 college professors produced mean job-related stress scores of 7.35 for the managers and 6.86 for the professors.Suppose that the standard deviations of the stress scores are 1.12 for the managers and 1.82 for the professors.The null hypothesis is that the mean stress scores are the same for corporate managers and college professors,while the alternative hypothesis is that the mean stress score for managers is different from the mean stress score for professors.
-Derive the corresponding 90% confidence interval for the difference between the mean stress scores for all corporate managers and college professors,rounded to three decimal places.

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Definitions:

Decentralized Organizations

Organizations where the decision-making authority is distributed among various levels rather than being concentrated at a single point.

Decision Making

The cognitive process of selecting a course of action from among multiple alternatives.

Spans Of Control

The number of subordinates or units that a manager or leader can directly oversee effectively.

Managers

Individuals responsible for planning, organizing, directing, and controlling resources to achieve specific organizational goals.