Use the Following to Answer Questions

question 21

Short Answer

Use the following to answer questions :
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.

-The number of families with an income of $40,000 or less is:

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Definitions:

Progressive Thrust

An impetus or drive towards reform and improvements in societal, political, or economic issues aiming for progress.

Efficiency

The ability to accomplish a task or job with the minimum expenditure of time and effort.

Margaret Sanger

An American birth control activist, sex educator, and nurse who helped legalize contraception and founded the organization that became Planned Parenthood.

Birth-Control Devices

Any number of instruments or medications designed to prevent pregnancy as part of family planning.