Instruction 15-12
the Director of Admissions at a Local University

question 63

Short Answer

Instruction 15-12
The director of admissions at a local university is interested in investigating if admissions status (admitted, waiting list, denied admission) is independent of the type of community in which an applicant resides. He takes a sample of recent admissions decisions and forms the following table:
$$\begin{array} { | l | c | c | c | c | } \hline & \text { Admitted } & \text { Wait List } & \text { Denied } & \text { Total } \\\hline \text { Urban } & 45 & 21 & 17 & 83 \\\hline \text { Rural } & 33 & 13 & 24 & 70 \\\hline \text { Suburban } & 34 & 12 & 39 & 85 \\\hline \text { Total } & 112 & 46 & 80 & 238 \\\hline\end{array}$$ He will use this table to run a chi-square test of independence with a level of significance of 0.01.
-Referring to Instruction 15-12,the test will involve _______ degree(s)of freedom.

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Definitions:

Total Revenue

The total amount of money a company receives from selling its goods or services before any expenses are subtracted.

Profit-Maximizing Output

The point of production where a company reaches its maximum profit, occurring when marginal revenue is equal to marginal cost.

Lawn-Mowing

The process of cutting the grass in a lawn to maintain a specified height and appearance.

Short-Run Supply Curve

A graphical representation showing how the quantity supplied varies with price in the short term, when at least one input is fixed.