The Red Cross Wanted to Know Whether an Ad Campaign

question 45

Multiple Choice

The Red Cross wanted to know whether an ad campaign designed to persuade people to donate blood actually increased blood donations.For a sample of N = 4 blood donation centers,the mean increase in blood donations was 10 pints,with a standard deviation of 2 pints.If the Red Cross could collect data from the entire population of blood donation centers,what would one expect the population standard deviation to be?

• A)2
• B)2.31
• C)2.67
• D)20

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Definitions:

Net Cash

The amount of cash available after all cash inflows and outflows have been accounted for, including both operating activities and investments.

Financing Activities

Transactions related to a company's raising or repaying capital, such as issuing shares, paying dividends, or taking on new loans.

Cash Dividends

Money distributed by a corporation to its shareowners, frequently as a dividend from profits.

Operating Activities

Transactions and other events that are not investing or financing activities, usually involving the production and delivery of goods and services.