(04.01 MC) A retail company is studying how employees are divided by job classification, such as employee, manager, an

(04.01 MC)

A retail company is studying how employees are divided by job classification, such as employee, manager, and senior manager. Which of the following displays could be used to represent the data, and why?

Box plot; because job classification is categorical
Box plot; because job classification is numerical
Bar chart; because job classification is categorical
Bar chart; because job classification is numerical

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  1. Answer:
    Bar chart; because job classification is categorical.
    Step-by-step explanation:
    Categorical data:  Data that can be divided into groups (categories).
    Numerical data:  Data that is in the form of numbers (also called “quantitative data”).
    Therefore, “job classification” is categorical data since the classifications such as employee, manager, senior manager, etc. are categories rather than numbers.
    Box plots are used to show distributions of numerical data values.
    Bar charts are used to show a comparison of values across different categories of data.
    Therefore, a bar chart should be used to represent the data as the data is categorical.

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