The local newspaper receives several complaints per day about typographic errors. Over a seven-day period, the publisher has received calls from readers reporting the following number of errors: 4, 3, 2, 6, 7, 3, and 9. Based on these data alone, what type of control chart(s) should the publisher use?

A) p-chart
B) c-chart
C) $xˉ\bar x$ -chart
D) R-chart
E) $xˉ\bar x$ - and R-charts

Question

The local newspaper receives several complaints per day about typographic errors. Over a seven-day period, the publisher has received calls from readers reporting the following number of errors: 4, 3, 2, 6, 7, 3, and 9. Based on these data alone, what type of control chart(s) should the publisher use?

A) p-chart
B) c-chart
C)

xˉ\bar x

-chart
D) R-chart
E)

xˉ\bar x

- and R-charts

Margaret Killian · Accepted Answer

Final Answer : B, Explanation :  The correct choice is a c-chart because it is used for monitoring the number of defects per unit and the data provided (number of errors per day) fits this scenario.

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