TABLE 12-10
The management of a chain electronic store would like to develop a model for predicting the weekly sales (in thousand 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 12-10, the null hypothesis for testing whether the number of customers who make a purchase effects weekly sales cannot be rejected if a 1% probability of committing a Type I error is desired.

Question

TABLE 12-10
The management of a chain electronic store would like to develop a model for predicting the weekly sales (in thousand 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 12-10, the null hypothesis for testing whether the number of customers who make a purchase effects weekly sales cannot be rejected if a 1% probability of committing a Type I error is desired.

Quizplus · Accepted Answer

The null hypothesis can be rejected if the p-value is less than the significance level (1% in this case), indicating that the number of customers who make a purchase does affect weekly sales.

TABLE 12-10 the Management of a Chain Electronic Store Would Like to Like