Use This Graph to Answer the Question

question 66

Multiple Choice

Use this graph to answer the question.
-Which month in 2009 had the highest sales?

• A)Month 12
• B)Month 5
• C)Month 2
• D)Month 9

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Definitions:

ANOVA F Test

A statistical method used to determine if there are any statistically significant differences between the means of three or more independent groups.

Standard Deviations

A standard used to assess the level of heterogeneity or diversity among values in a dataset.

Boxplots

A graphical representation of data that shows the distribution's five-number summary: minimum, first quartile, median, third quartile, and maximum.

Coefficients of Contrast

Statistic coefficients used to compare differences between means within groups versus the overall mean, often used in analysis of variance.