Purchase Solution

Abnormal Observations and Control Limits

Not what you're looking for?

Ask Custom Question

(a) List four rules for detecting abnormal (special cause) observations in a control chart.

(b) Set up a control limits for an x=400, R=5, and n = 4. (Please see the attached document for proper formatting)

Attachments
Purchase this Solution

Solution Summary

Rules for detecting abnormal observations are explained. Instructions on how to set up control limits are also provided.

Solution Preview

(a) List four rules for detecting abnormal (special cause) observations in a control chart.

1. These tests are applicable to average (x bar) charts and to individuals (x) charts. However for p charts (charts for evaluating a process using percentages abnormal) if lower control limit is greater ...

Purchase this Solution


Free BrainMass Quizzes
Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.