Question

While establishing an overall picture of process output over time, the team plots a chart based on the data available. The plotted chart has seven consecutive data points on one side of the mean. What can be determined from the plotted chart

Answer 1

Answer: None of the answers

Explanation:

The options to the question are:

A) The control limits are too tight

(B) The control limits are acceptable

(C) The control limits are too loose

(D) None of the answers.

According to the seven run rule, a process is out of control in a control chart in a situation whereby there are seven consecutive data points that all fall on same side of mean. In such case an adjustment has to be made.

In the scenario in the question, none of the answers will be chosen because there has been a violation of the seven run rule as the answers provided are all incorrect.