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TABLE 13-10
The management of a chain electronic store would like to develop a model for predicting the weekly sales (in thousands of dollars) for individual stores based on the number of customers who made purchases. A random sample of 12 stores yields the following results:
-Referring to Table 13-10, what is the value of the F test statistic when testing whether the number of customers who make purchases is a good predictor for weekly sales?
Fisher's Exact Test
A statistical significance test used for small sample sizes, analyzing the association between two categorical variables.
2 × 2 Table
A contingency table with two rows and two columns used to display the frequency distribution of variables' combinations.
Significance Level
The threshold below which a p-value is considered strong enough to reject the null hypothesis in statistical testing.
Degrees of Freedom
The number of independent values or quantities that can vary in the calculation of a statistic, often impacting its distribution.
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