The Lecturer of a Business Statistics Class Wanted to Find

question 17

True/False

The lecturer of a business statistics class wanted to find out the average amount of time per week her students spent studying for the class.Among the 50 students in her class,20% were first-year students,50% were second-year students and 30% were third-year students.She decided to draw 2 students randomly from the first-year students,5 randomly from the second-year students and 3 randomly from the third-year students.This is an example of a systematic sample.

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Definitions:

Profitability

A measure of the ability of a company or a business sector to generate earnings compared to its expenses and other relevant costs incurred during a specific period of time.

Employment

The state of having paid work, being engaged in an occupation or job.

Marginal Productivity

The additional output that is produced by using one more unit of a given input, while keeping other inputs constant.

Flood

An overflow of water that submerges land that is usually dry, often caused by heavy rain, melting snow, or breach in water containment systems.