If an Economist Wishes to Determine Whether There Is Evidence

question 3

Multiple Choice

If an economist wishes to determine whether there is evidence that mean family income in a community equals $50,000

• A)either a one-tail or two-tail test could be used with equivalent results.
• B)a one-tail test should be utilized.
• C)a two-tail test should be utilized.
• D)None of the above.

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Definitions:

Sample

A subset of individuals or events from a larger population used to conduct statistical analysis.

Mean

The average value of a set of numbers, calculated by dividing the sum of all numbers in the set by the quantity of numbers.

Hypothesis Testing

A method of statistical inference used to decide if data supports a specific hypothesis.

Statistical Procedures

Statistical procedures are methodologies utilized in collecting, analyzing, interpreting, and presenting data.