With which of the following should we use an "X-bar" chart based on sample means to monitor process quality?
A)Grades in a freshman "pass/fail" course
B)Tire pressures in an auto assembly plant
C)Vehicles passing emissions inspection
D)Computer software errors
E)Number of units with missing operations

Question

Quizplus · Accepted Answer

An X-bar chart based on sample means is typically used to monitor process quality when the data being measured is continuous and follows a normal distribution. Tire pressures in an auto assembly plant are a good fit for this type of chart because they can be measured continuously and are likely to follow a normal distribution.

With Which of the Following Should We Use an "X-Bar