If All Other Factors Specified in an Attributes Sampling Plan

question 2

Multiple Choice

If all other factors specified in an attributes sampling plan remain constant,changing the specified tolerable rate from 8% to 6%,and changing the specified risk of assessing control risk too low from 7% to 3% would cause the required sample size to:

• A)Increase.
• B)Remain the same.
• C)Decrease.
• D)Change by 4%.

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Definitions:

Confidence Interval

A cadre of values, from the statistical evaluation of samples, that is designed to encircle the value of an undetermined parameter within a population.

Level of Confidence

The degree of certainty, often expressed as a percentage, that a parameter lies within a specified range of values.

Hypothesis Testing

A statistical method used to determine if there is enough evidence in a sample of data to infer that a certain condition is true for the entire population.

Interval Estimation

Estimation of a population parameter with a range, or interval, of values within which one has a certain degree of confidence the population parameter falls.