On a National Level, the Concentration Ratio for Grocery Stores

question 30

Multiple Choice

On a national level, the concentration ratio for grocery stores is very low. But, the "true" market for grocery stores is local in nature. What limitation does the geographic market put on the measure of concentration for grocery stores?

• A) On the local level, grocery stores are more concentrated than they appear on the national level.
• B) On the local level, grocery stores are not as concentrated as they appear on the national level.
• C) The level of concentration is overestimated when viewing the national level.
• D) Both answers A and C are correct.

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Definitions:

Distribution

Refers to the way in which data points are spread out across the range of possible values in a dataset.

Test Statistic

A computed value used to decide whether to reject the null hypothesis in statistical hypothesis testing.

P-Value

The probability of obtaining test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is correct.

Population Locations

Geographical or metaphorical positions where members of a population are found.