The Average Cost of Tuition, Room and Board at Community

question 85

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 α = 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:

Occluding

The act of blocking or closing off a passage or vessel in the body, often referred to in medical and health contexts.

Ischemia

Ischemia refers to a deficiency in blood supply to a tissue, caused by obstruction of the inflow of arterial blood, leading to a shortage of oxygen and nutrients needed for cellular metabolism.

Necrosis

The death of cells or tissue in the body due to disease, injury, or lack of blood supply.

Intramuscular Injection

A method of delivering medication deep into the muscles, allowing for faster absorption than subcutaneous injections.