Create a Graphical Display for the Data Given

question 191

Essay

Create a graphical display for the data given. You may choose any graphic type that you feel is appropriate. Write a fewsentences explaining why you chose this type of display and a few sentences describing any interesting patterns in thedata.
-The table below gives information about U.S. families with children under the age of 18.
The table shows the percentage of these families that are two-parent families, the
percentage that are maintained by a single mother, and the percentage that are maintained
by a single father. $$\begin{array}{l}\text { U.S. Families with Children Under } 18\\\begin{array} { c | c | c | c } \text { Year } & \text { Two-parent } & \text { Single mother } & \text { Single father } \\\hline 1981 & 77.6 \% & 20.0 \% & 2.4 \% \\1984 & 74.2 \% & 22.9 \% & 2.8 \% \\1987 & 73.0 \% & 23.7 \% & 3.2 \% \\1990 & 71.9 \% & 24.2 \% & 3.9 \% \\1993 & 69.8 \% & 25.9 \% & 4.3 \% \\1996 & 68.4 \% & 26.6 \% & 5.0 \% \\1999 & 68.2 \% & 26.3 \% & 5.5 \% \\2002 & 68.3 \% & 25.9 \% & 5.8 \%\end{array}\end{array}$$

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Definitions:

Chi-squared Distribution

A probability distribution that arises in statistics when estimating how closely an observed distribution matches an expected distribution.

Interval Data

A type of data measurement where the order of the data points is meaningful and the difference between data points is consistent and measurable.

Nominal Data

Information grouped into categories without an inherent numerical value or order, such as colors or gender.

Ordinal Data

Data classified into categories within a specific order or ranking, but without meaningful mathematical differences between those rankings.