Consider the Following to Answer the Question(s) Below

question 12

Multiple Choice

Consider the following to answer the question(s) below:
A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested and shown in the table below.

-One characteristic of a bar chart is

• A) The bars can be displayed either vertically or horizontally.
• B) There can be no gaps between the bars.
• C) The bars should be of different widths.
• D) It is used to display the distribution of a continuous variable.
• E) It shows cumulative frequency.

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Definitions:

Mean Hourly Units

The average quantity of units produced or operated in an hour.

Analysis of Variance

A collection of statistical models used to compare the means of three or more samples.

Level of Significance

A threshold used in hypothesis testing that determines the probability of rejecting a null hypothesis when it is actually true.