The Center Line (P-Bar) for a P-Chart Is 0

question 40

Multiple Choice

The center line (p-bar) for a p-chart is 0.50 with an ULC = 0.65 and a LCL = 0.35. The results of the next eight sample means are 0.45, 0.60, 0.39, 0.44, 0.48, 0.58, 0.54, and 0.64. Which of the following is the best action to take?

• A) Collect eight additional samples and then decide.
• B) Wait and collect more data by increasing the sample size.
• C) Investigate assignable causes because four observations are above the center line.
• D) Investigate assignable causes because there is a bad trend (run).

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Definitions:

Virtual Reality

A simulated experience created with computer technology, which can replicate an environment or simulate a presence in real or imagined worlds.

Mainframes

High-performance computers used primarily by large organizations for bulk data processing, such as census, industry and consumer statistics, ERP, and financial transaction processing.

Big Data

A collection of data so large and complex that it is difficult to manage using traditional database management systems.

ROM

Read-Only Memory, a type of non-volatile storage that is used in computers and electronic devices to store firmware or application software in a way that is not easily or frequently altered.