Exhibit 20

Multiple Choice

Exhibit 20.9.A shipping company believes there is a linear association between the weight of packages shipped and the cost.The following table shows the weight (in pounds) and cost (in dollars) of the last 7 packages shipped. Refer to Exhibit 20.9.At the 10% significance level,the positive critical value is:

A) 0.893
B) 0.786
C) 0.714
D) 0.881