Exhibit 2-3

question 60

Multiple Choice

Exhibit 2-3.A city in California spent six million dollars repairing damage to its public buildings in 2010.The following table shows the categories where the money was directed. Refer to Exhibit 2-3.How much did the city spend to fix damage caused by mold?

• A)$360,000
• B)$720,000
• C)$1,440,000
• D)$1,800,000

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Definitions:

Sum Squares Error (SSE)

This term corresponds to the sum of the squared differences between the observed and predicted values, used in statistical models to measure the amount of error.

SS(Total)

The total sum of squares in statistical analysis, a measure of the total variability within a dataset.

F-test

A statistical test used to compare two population variances and determine if they are significantly different.

T-test

A statistical analysis method that contrasts the average values of two groups to ascertain if their difference is statistically significant.