Does Regular Exercise Decrease the Risk of Cancer? a Researcher

question 501

Multiple Choice

Does regular exercise decrease the risk of cancer? A researcher finds 200 women over 50 who
Exercise regularly, pairs each with a woman who has a similar medical history but does not
Exercise, then follows subjects for 10 years to see which group develops more cancer. This is a

• A) survey
• B) retrospective study
• C) matched experiment
• D) randomized experiment
• E) prospective study

---

Definitions:

After Tax Profit

The net income a company retains after deducting all taxes owed to the government.

Income Tax Rate

The percentage of an individual or corporation's income that is paid to the government as tax.

Sales Mix

The proportion of different products or services that a company sells, reflecting its strategy to achieve profitability.

Fixed Costs

Costs that do not vary with the level of production or sales over a certain range and within a certain period.