The Following Boxplots Show Monthly Sales Revenue Figures ($ Thousands)

question 5

Multiple Choice

The following boxplots show monthly sales revenue figures ($ thousands) for a discount
Office supply company with locations in three different regions of the U.S.(Northeast,
Southeast, and West) .Which of the following statements is false?

• A)The West has the most variable sales revenues.
• B)The West has the largest IQR.
• C)The Southeast has the smallest IQR.
• D)The Northeast has the most variable sales revenues.

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Definitions:

One-way ANOVA

A statistical method for evaluating if there's a notable difference between the averages of three or more separate groups.

F-ratio

A statistic used in ANOVA tests that compares the variance between group means to the variance within groups, indicating if any statistically significant differences exist.

Critical Value

A value on the test statistic scale exceeding which leads to the rejection of the null hypothesis.

One-way ANOVA

A statistical test that compares the means of three or more independent groups to determine if there is a significant difference among them.