The Professor of a Business Statistics Class Wanted to Find

question 121

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.Among the 50 students in her class,20% were freshmen,50% were sophomores and 30% were juniors.She decided to select 2 students randomly from the freshmen,5 randomly from the sophomores and 3 randomly from the juniors.This is an example of a systematic sample.

---

Definitions:

Temperature Rises

An increase in the average kinetic energy of the particles in a substance, leading to an increase in its temperature.

Pressure

The force exerted by the substance per unit area on another substance.

Temperature Increases

The rise in the measure of heat energy within a given environment, substance, or system, often leading to changes in physical state or chemical reaction rates.

Volume

The amount of space that an object or substance occupies.