A Sociologist Develops a Test to Measure Attitudes About Public

question 29

Multiple Choice

A sociologist develops a test to measure attitudes about public transportation.She wishes to compute a 95% confidence interval for the mean score on this test.It is believed that the standard deviation for these test scores will be 21.How many people should be given the test in order to achieve a margin of error of 10?

• A)19
• B)20
• C)16
• D)18
• E)17

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Definitions:

General Economic Conditions

The overall state of the economy, including factors like inflation rates, unemployment levels, and GDP growth that affect business operations and decisions.

Common-sized Balance Sheet

A financial statement that presents all items in percentage terms of the total assets for comparison purposes.

Total Liabilities

The sum of all current and long-term obligations that a company owes to others.

Total Current Assets

The sum of all assets expected to be converted into cash, sold, or consumed within one year or the operating cycle, whichever is longer.