Suppose That You Are the Manager of an Electronics Store

question 165

Multiple Choice

Suppose that you are the manager of an electronics store, and that you have asked the salespeople in two different departments-the camera department and the computer department-to come up with regular, weekly ideas about how to increase sales. However, you have asked the people in the camera department to think up ideas independently, whereas you have asked the people in the computer department to get together as a group every week and brainstorm. You should expect, after several weeks of this, that ____.

• A) the camera group will come up with more ideas, but the computer group will have a stronger group bond
• B) the computer group will come up with more ideas AND have a stronger group bond
• C) the computer group will come up with more ideas, but they will not necessarily have a stronger group bond
• D) the camera group and the computer group will likely come up with the same number of ideas, but the computer group will have a stronger group bond

---

Definitions:

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, often denoted as alpha and used as a threshold for determining statistical significance.

Null Hypotheses

A statistical hypothesis that assumes no significant difference or effect exists within a set of given observations.

Type I Error

The error that occurs when a null hypothesis is incorrectly rejected when it is actually true, often referred to as a "false positive."

Type II Error

The statistical mistake of failing to reject a false null hypothesis. It's also known as the error of accepting a false negative result.