An Economist Collects Data Comparing Per- Capita Expenditures on Health

question 85

Multiple Choice

An economist collects data comparing per- capita expenditures on health care across provinces and territories for the year 2009. The best way to illustrate this data is

• A)a logarithmic scale diagram.
• B)a time- series line graph.
• C)a scatter diagram.
• D)a time- series bar chart diagram.
• E)a cross- sectional bar- chart graph.

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Definitions:

Population Parameter

A numerical value summarizing a characteristic of an entire population, such as mean or variance.

Efficient Estimator

An estimator that achieves the lowest possible variance among all unbiased estimators for a parameter of interest.

Random Sample

A sample drawn from a population in such a way that every individual has an equal chance of being selected, ensuring the sample's representativeness.

Polling Technique

A method used in survey research to collect data from a target population by questioning a representative sample.