An insurance company samples claim forms for errors created by its employees as well as the amount of time it takes to process a claim.

a$.$ When the process is in control, the proportion of claims with an error is $.$ A chart has and $.$ Plot the following seven sample results: $,,,,,,$ and $.$ Comment on whether there might be concern about the quality of the process.

$1.$

$2.$

$3.$

$-$ Select your answer $-$

Process should be

$-$ Select your answer $-$

$.$ All points are

$-$ Select your answer $-$

; however, all points are also

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the process proportion defective.

b$.$ An chart for the mean processing time has and $.$ The mean is when the claim process is in control. Plot the following seven sample results: $,,,,,,$ and $.$ Comment on whether there might be concern about the quality of the process.

$1.$

$2.$

$3.$

$-$ Select your answer $-$

Process should be

$-$ Select your answer $-$

$.$ All points are

$-$ Select your answer $-$

yet the trend in points show a movement or shift toward out$$of$$control point.

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