In order to determine whether or not there is a significant difference between the hourly wages of workers at Ford and Ferrari, the following data have been accumulated. Ford -50 ₁-$20.50 a $2.50 Ferrari #₂-70 041-4₂50 441-442*0 041-1₂-0 41-4220 ₂-$10.25 02-$2.00 Refer to Exhibit 10-30. The alternative hypothesis for this test is

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