Instruction 15-5 A Corporation Randomly Selects 150 Salespeople and Finds That 66

question 1

Multiple Choice

Instruction 15-5
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 Instruction 15-5,what is the value of the test statistic to use in evaluating the alternative hypothesis that there is a difference in the two population proportions using α = 0.10?

• A)1.194
• B)0.274
• C)4.335
• D)2.706

---

Definitions:

Cultural Context

The environment or setting that includes the social, religious, economic, and cultural conditions influencing the understanding and interpretation of messages and actions.

Gender

Significance of being male or female.

Post-Formal Thought

A stage of cognitive development going beyond Piaget's formal operational stage, characterized by the understanding that truth may vary from situation to situation and the use of critical thinking and problem solving.

Sinnott's Criteria

A set of conditions or standards developed by psychologist Jan D. Sinnott regarding adaptive cognition and complex problem solving.