The Numbers of Hours Worked (Per Week) by 400 Statistics $$\begin{array} { l l } \text { Number of hours } & \text { Frequency } \\0 - 9 & 20 \\10 - 19 & 80 \\20 - 29 & 200 \\30 - 39 & 100\end{array}$$

question 74

Multiple Choice

The numbers of hours worked (per week) by 400 statistics students are shown below. $$\begin{array} { l l } \text { Number of hours } & \text { Frequency } \\0 - 9 & 20 \\10 - 19 & 80 \\20 - 29 & 200 \\30 - 39 & 100\end{array}$$ The midpoint of the last class is

• A) 35.5
• B) 34.
• C) 35.
• D) 34.5.

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Definitions:

Nonparents

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Late Adulthood

A stage of human development that occurs from the mid-60s onward, characterized by changes in physical health, cognitive function, and social roles.

Change

the process or act of becoming different in some particular way, without permanently losing one's or its former characteristics or essence.