The Average Number of Hours Spent Completing Statistics Homework for a Randomly

question 53

Multiple Choice

The average number of hours spent completing statistics homework for a randomly selected group of statistics students is an example of what type of variable?

• A)Categorical variable
• B)Numerical variable
• C)Neither

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Definitions:

Energy

Capacity to do work and bring about change; occurs in a variety of forms.

Atmosphere

The layers of gas surrounding a planet, held in place by gravity, and composed of various gases that protect and sustain life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention, and reducing temperature extremes between day and night.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Cellular Respiration

Metabolic reactions that use the energy from carbohydrate, fatty acid, or amino acid breakdown to produce ATP molecules.