Attitude Test Narrative
Twenty Students Are Given an Attitude Test $\alpha$

question 21

Essay

Attitude Test Narrative
Twenty students are given an attitude test before and after viewing a motion picture designed to change their attitudes favourably toward a new curriculum. A high score indicates a favourable attitude and a low score indicates an unfavourable attitude, with the scores ranging from 1 to 30. This will use the sign test on the data given below to see if we can conclude the motion picture was successful in improving attitudes.
-Refer to Attitude Test Narrative. Using $\alpha$ = 0.10, can we conclude the motion picture was successful in changing attitudes?

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Definitions:

Controllable Margin

The portion of a company's profit that can be affected or controlled by management decisions, excluding fixed costs and other uncontrollable factors.

Average Operating Assets

The average value of the assets used in the course of business operations over a specific period, utilized to generate revenue.

Contribution Margin

Contribution margin is the amount by which the sale of a product exceeds its variable costs, indicating the portion of sales revenue available to cover fixed costs and generate profit.

Return on Investment

A measure used to evaluate the efficiency or profitability of an investment, calculated as the return (net profit) divided by the cost of the investment.