Question

A survey related to professor effectiveness was administered to students who chose the professor as the chair of their doctoral committee. The results showed 100% effectiveness. Another survey was administered to all students taking courses under the professor. The results showed 70% effectiveness. This is a classic example of an error in which phase of inferential statistics?

a. Data gathering
b. Data organization
c. Data analysis
d. Probability-based inference

Answer 1

This is an error in the Data analysis phase of inferential statistics. The survey administered to the students who chose the professor as the chair of their doctoral committee showed 100% effectiveness, while the survey administered to all students taking courses under the professor showed only 70% effectiveness.

Step-by-step explanation:

This is an error in the Data analysis phase of inferential statistics. In this example, the error lies in the interpretation of the survey results. The survey administered to the students who chose the professor as the chair of their doctoral committee showed 100% effectiveness, while the survey administered to all students taking courses under the professor showed only 70% effectiveness. This difference in results suggests that the professor may not be as effective as initially believed, and the error lies in not considering the larger sample of students taking courses from the professor.