Ten Samples of a Process Measuring the Number of Returns

question 80

Multiple Choice

Ten samples of a process measuring the number of returns per 100 receipts were taken for a local retail store. The number of returns were 10, 9, 11, 7, 3, 12, 8, 4, 6, 11. Find the standard deviation of the sampling distribution. (Hint- Use p-bar formula)

• A) There is not enough information.
• B) .081
• C) 8.1
• D) .0273
• E) .0863

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Definitions:

Counting Rule

A mathematical rule to determine the number of possible outcomes in a situation without having to list them all explicitly.

Combinations

Refers to the selection of items from a larger set where the order of selection does not matter.

Binomial Experiment

An experiment or trial that can be reduced to two outcomes, success or failure, and is repeated a fixed number of times.

Continuous Random Variables

Variables capable of assuming any value within a specified range, with the potential for infinite variations.