Solve the Problem A)No the Distribution Is Uniform

question 104

Multiple Choice

Solve the problem.
-Frequency data were reported for the ages of full-time employees at a company. The age distribution is given in the table. Obtain a relative-frequency histogram of these data and
Determine whether the ages are approximately normally distributed. $\begin{array}{c|c}\begin{array}{c}\text { Age } \\\text { (yrs) }\end{array} & \text { Frequency } \\\hline \text { 20-under 25 } & 5 \\\text { 25-under 30 } & 60 \\\text { 30-under 35 } & 443 \\\text { 35-under 40 } & 340 \\40 \text {-under 45 } & 231 \\\text { 45-under 50 } & 75 \\50 \text {-under 55 } & 87 \\55 \text {-under 60 } & 35 \\\text { 60-under 65 } & 15\end{array}$

• A)No. The distribution is uniform.
• B) Yes. The distribution is bell-shaped.
• C) No. The distribution is left-skewed.
• D) No. The distribution is right-skewed.

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Definitions:

Task Difficulty

Denotes the level of challenge presented by a task, which can affect performance and engagement depending on the skill level of the individual.

Independent Groups Design

An experimental approach where different participants are used in each condition of the experiment.

Factorial Design

An experimental setup that involves two or more independent variables and their joint effects on the dependent variable.

Participants

Individuals who take part in a study, experiment, or any form of research.