Abel Alonzo, Director of Human Resources, Is Exploring Employee Absenteeism

question 98

Multiple Choice

Abel Alonzo, Director of Human Resources, is exploring employee absenteeism at Harrison Haulers, Inc.during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences. $\begin{array}{c}\begin{array}{l}\text { Absences}\\\text { (Days) }\\\text { 0 -under 5}\\\text { 5-under 10}\\\text { 10-under 15}\\\text { 20 -under 25}\\\text { 25 -under 30}\\\end{array}\begin{array}{r}\text { Number of Employees }\\\\-\\-\\-\\-\\-\\\end{array}\end{array}$

Which of the following represents a problem with this set of intervals?

• A)There are too few intervals.
• B)Some numbers between 0 and 29, inclusively, would not fall into any interval.
• C)The first and second interval overlaps.
• D)There are too many intervals.
• E)The second and the third interval overlap.

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Definitions:

Interactions

In an experiment or statistical model, the way in which the effect of one explanatory variable on a response variable changes depending on the level of another explanatory variable.

Two-Way Analysis

A statistical method used to examine the effects of two independent variables on a dependent variable, often to understand interactions between the two variables.

Categorical Variables

Variables that represent types or categories, allowing for classification of individuals or items into distinct groups.

Residual Variation

The variation in a dataset that is not explained by the model being used, essentially the difference between observed and predicted values.