A customer was interested in comparing the top speed (in miles per hour) of two models of snowmobiles. The customer selected two independent random samples of the snowmobiles and calculated the following summary information: 
Assume the distribution of top speeds is approximately normal. Is it reasonable to assume equality of variances in this problem?
______________
Calculate the value of the test statistic.
______________
Test whether there is a significant difference in average top speed between the two models of snowmobiles.
Conclusion: ________________________________________________________
Definitions:
Interest Payable
The amount of interest that has been incurred on borrowed funds that a company must pay, typically represented as a current liability on the balance sheet.
Effective Interest Method
An accounting technique used to allocate the interest expense of a bond evenly over its life, based on the bond's carrying value.
Premium Bond
A bond sold for more than its face value, where the bond's coupon rate is higher than the prevailing market rate of interest.
Interest Expense
The cost incurred by an entity for borrowed funds, typically reported on the income statement.
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