N1 = 50 N2 = 75

question 13

Multiple Choice

n1 = 50 n2 = 75
X1 = 20 x2 = 15

• A)P-value = 0.0073; There is about a 0.73% chance that the two proportions are equal.
• B)P-value = 0.0073; If there is no difference in the proportions,there is about a 0.73% chance of seeing the observed difference or larger by natural sampling variation.
• C)P-value = 0.0037; If there is no difference in the proportions,there is a 0.37% chance of seeing the exact observed difference by natural sampling variation.
• D)P-value = 0.0146; If there is no difference in the proportions,there is about a 1.46% chance of seeing the observed difference or larger by natural sampling variation.
• E)P-value = 0.0146; There is about a 1.46% chance that the two proportions are equal.

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Definitions:

Differential Piece Rate System

The Differential Piece Rate System is a pay structure where employees are compensated based on the quantity of work produced, with rates increasing once production exceeds a standard level.

Incentive Pay Plan

A compensation strategy that rewards employees for meeting or exceeding performance targets.

Confidence Interval

Range or interval of values with a stated probability of containing an unknown population parameter.

Mean

The mean is the average of a data set, calculated by adding all the numbers together and then dividing by the count of those numbers.