Use the Following to Answer Questions

question 8

Multiple Choice

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.
-The significance level for the test is 1%.What are the critical values of z?

• A)-2.58 and 2.58
• B)-1.96 and 1.96
• C)-2.33 and 2.33
• D)-3.09 and 3.09

---

Definitions:

Rational Individual

A concept in philosophy and economics that describes a person who makes decisions logically, based on their own self-interest and available information.

Emotionally Healthy Adult

An individual who demonstrates a mature level of emotional intelligence, including self-awareness, empathy, resilience, and effective coping strategies in various life situations.

Childhood Drives

Innate impulses or motivations that influence behavior from an early age, often related to basic needs and development.

Reliable Information

Data that is consistently accurate and trustworthy over time and across various situations.