Exhibit 10-30 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 n₁-50 ₁- $20.50 01-$2.50 Refer to Exhibit 10-30. What is the formula we would use to find the degrees of freedom in this problem? nl-n2-1 Onl+n2-1 O Ferrari #₂-70 X₂= $10.25 02-$2.00 None, this is not a T-distribution problem n-1

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