Figure 3-22 
Refer to Figure 3-22. Which of the four graphs represents the market for pizza delivery in a college town as we go from summer to the beginning of the fall semester?
Definitions:
Random Samples
A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.
Rejected
In statistical analysis, refers to the decision to discard the null hypothesis based on the evidence from sample data and the predetermined significance level.
F-distribution
A continuous probability distribution that arises in the analysis of variances for comparing sample variances, used in ANOVA tests.
F Distributed
Describes a type of probability distribution that arises in the analysis of variances, often used to determine if two population variances are equal.
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