A Quality Control Inspector Keeps a Tally Sheet of the Numbers

question 24

Short Answer

A quality control inspector keeps a tally sheet of the numbers of acceptable and unacceptable products that come off two different production lines. The completed sheet is shown below. $$\begin{array} { | c | c | c | } \hline \text { Production line } & \begin{array} { c } \text { Acceptable } \\\text { products }\end{array} & \begin{array} { c } \text { Unacceptable } \\\text { products }\end{array} \\\hline 1 & 152 & 48 \\\hline 2 & 136 & 54 \\\hline\end{array}$$ Estimate with 95% confidence the difference in population proportions.

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Definitions:

Extrinsic Motivation

Motivation that is driven by external rewards such as money, fame, grades, or praise, in contrast to intrinsic motivation, which is driven by personal satisfaction or interest.

Extrinsic Motivation

Encouragement stemming from external factors including wealth, recognition, scores, and compliments.

Intrinsic Motivation

The drive to perform an activity for its inherent satisfaction or pleasure, rather than for some separable consequence.

Organismic Needs

Fundamental human needs identified in various psychological theories that are innate and drive behavior, such as physiological, safety, love, and esteem needs.