The Average Cost of Tuition, Room and Board at Community $\alpha$

question 89

Multiple Choice

The average cost of tuition, room and board at community colleges is reported to be $8,500 per year with a standard deviation of $1,200, but a financial administrator believes that the average cost is higher. A study conducted using 150 community colleges showed that the average cost per year is $9,000. Let $\alpha$ = 0.05. Given the z-statistic is 5.1, what is our decision about the average cost?

• A) Equal to $8,500
• B) Greater than $8,500
• C) Less than $8,500
• D) Not equal to $8,500

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Definitions:

Body Weight

The quantitative measurement of the mass or heaviness of an individual's body, often used as an indicator of health status.

Lateral Hypothalamus

A region of the brain that plays a key role in hunger regulation and the initiation of eating behaviors as part of the hypothalamus.

Basal Metabolic Rate

The body's resting rate of energy expenditure.

Set Point

A theory suggesting that the body regulates certain variables, such as weight or temperature, around a specific value or "set point."