If Two Groups of Numbers Have the Same Mean, Then

question 73

Multiple Choice

If two groups of numbers have the same mean, then

• A) their standard deviations must also be equal.
• B) their medians must also be equal.
• C) their modes must also be equal.
• D) other measures of location need not be the same.

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Definitions:

Technological Progressiveness

The rate at which an organization or society adopts and implements new technologies, enhancing productivity and innovation.

Industry Concentration Ratio

A metric that assesses the degree of market control held by the largest firms within an industry, indicating the level of competition.

Herfindahl Index

A measure used to calculate the size of firms in relation to the industry and to indicate the level of competition among them.

Retained Earnings

Profits that a company keeps or reinvests after dividends are paid out to shareholders, instead of distributing them completely.