The Professor of a Business Statistics Class Wanted to Find

question 173

True/False

The professor of a business statistics class wanted to find out the mean amount of time per week her students spent studying for the class.She divided the fifty students on her roster into ten groups starting from the first student on the roster.The first student was randomly selected from the first group.Then every tenth student was selected from the remaining students.This is an example of a cluster sample.

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Definitions:

Investment Turnover

A measure of a company's efficiency in using its assets to generate sales revenue; it calculates how quickly investments are converted into income.

Profit Margin

A financial ratio indicating the percentage of revenue that remains as profit after all expenses are deducted.

Investment Turnover

A measure of a company's efficiency in using its assets to generate sales or revenue; calculated by dividing sales over a period by the average investment.

Profit Margin

A financial metric that measures the amount of net income earned with each dollar of sales by comparing net income and net sales.