Use the following table to determine whether or not there is a significant difference between the average hourly wages at two manufacturing companies. Assume a level of significance of 0.05.   Manufacturer 1 Manufacturer 2 n1 = 82 n2 = 65 x⎯⎯1=$16.80x¯1=$16.80 x⎯⎯2=$16.00x¯2=$16.00 σ1 = $3.00 σ2 = $2.25 What is the test statistic for the difference between the means?       Multiple Choice   1.973   1.990   1.300   1.847

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