An Experiment on the Effect of Vitamin a on Cancer

question 27

Multiple Choice

An experiment on the effect of vitamin A on cancer uses two randomly chosen groups of 200 men each, one given vitamin A and the other a placebo. An estimate from a similar experiment using two groups of 1000 men each would have

• A) less bias.
• B) more bias.
• C) more variability.
• D) less variability.

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Definitions:

Inventory

The goods and materials held by a company for the ultimate goal of resale or manufacturing into final products.

Consolidated Retained Earnings

The portion of earnings generated by a company and its subsidiaries that is not distributed as dividends but reinvested in the business.

Statement of Financial Position

Another term for the balance sheet, detailing a company's assets, liabilities, and equity at a given point in time.

Share Capital

The funds that a company receives from selling its shares to investors; also known as equity capital.