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Exhibit 13.4 The ANOVA test performed for Exhibit 13.2 determined that not all mean commute times across the four cities are equal.However,it did not indicate which means differed.To find out which population means differ requires further analysis of the direction and the statistical significance of the difference between paired population means.Tukey 95% confidence intervals are shown below. Refer to Exhibit 13.4.How many pairs of cities show a significant difference in average commute times to work?
Supply
The total amount of a specific good or service that is available to consumers, often influenced by price.
Equilibrium Price
The price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers, resulting in market balance.
Quantity
The amount or number of a material or immaterial thing not requiring a unit of measurement to be specified or identified.
Supply
The total amount of a specific good or service available for purchase at any given time.
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