The Percent P of Men 65 Years of Age or Older

question 183

Multiple Choice

The percent P of men 65 years of age or older in the labor force can be modeled by , where x is the number of years past 1890 (Source: U.S. Bureau of the Census) . Plot this function using a graphing utility. What range of x-values and y-values do you need to use to view this graph for the years 1890 to 1990? ​

• A) x-min = 0, x-max = 100 Y-min = 0, y-max = 60
• B) x-min = -100, x-max = 0 Y-min = 0, y-max = 70
• C) x-min = -100 , x-max = 100 Y-min = 0, y-max = 50
• D) x-min = 0, x-max = 70 Y-min = 0, y-max = 50
• E) x-min = 0, x-max = 100 Y-min = 0, y-max = 70

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Definitions:

Percent Frequency

The relative frequency of an event or characteristic expressed as a percentage of the total number of occurrences or observations.

Relative Frequency

The ratio of the number of times a particular value occurs in a dataset to the total number of occurrences.

Crosstabulation

A method used to analyze the relationship between two or more categories of variables, often displayed in a matrix format.