On discovering an improperly adjusted drill press, Jack Joyner, Director of Quality Control, ordered an inspection of every fifth casting drilled during the evening shift. Less than 1% of the castings were defective; so, Jack released the evening shift's production to assembly. This is an example of ___.
A) categorical data
B) quantitative data
C) descriptive statistics
D) inferential statistics
E) judgmental statistics

Question

Quizplus · Accepted Answer

This is an example of inferential statistics as Jack is inspecting a sample of castings to make an inference about the quality of the entire evening shift's production.

On Discovering an Improperly Adjusted Drill Press, Jack Joyner, Director