TABLE 10-10 A Corporation Randomly Selects 150 Salespeople and Finds That 66

question 41

Multiple Choice

TABLE 10-10
A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self-improvement course would like such a course. The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course. The groups are assumed to be independent random samples. Let π₁ and π₂ represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively.
-Referring to Table 10-10, what is/are the critical value(s) when performing a Z test on whether population proportions are different if α = 0.05?

• A) ±1.645
• B) ±1.96
• C) -1.96
• D) ±2.08

---

Definitions:

Therapy

A broad term for the treatment of health and behavioral issues, aimed at relieving symptoms and improving quality of life, which can be psychological or physical in nature.

Meta-analysis

A statistical technique that combines the results of multiple scientific studies on the same subject to derive a consolidated conclusion or insight.

Therapy

The treatment of psychological disorders or distress, often involving systematic interaction between a therapist and a client.

Subsyndromal Condition

Describes a state where an individual shows some symptoms of a syndrome or disorder but does not fully meet the diagnostic criteria required for a full diagnosis.