THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The means and variances are obtained from two independent samples.Assume that the populations from which the samples were drawn have unequal variances.
-Determine the number of degrees of freedom for n1 = 5, 
= 32,n2 = 10,and 
= 40.
Definitions:
Diminishing Returns
A rule indicating that after reaching a specific threshold, further investments in a given sector will not yield higher profits at the same rate if all other factors stay unchanged.
Marginal Cost
The heightened expense incurred by fabricating an extra unit of a product or service.
Average Total Cost
The overall expense of manufacturing, including both fixed and variable costs, divided by the amount of product made.
Extra Unit
Refers to an additional quantity of a good or service, often used in the context of calculating marginal costs or benefits.
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