The following frequency distribution shows the time (in minutes) that a sample of students uses the computer terminals per day. 
a.Compute the mean.
b.Compute the variance.
c.Compute the standard deviation.
d.Compute the coefficient of variation.
Definitions:
Right To Foreclose
The legal right of a lender or mortgage holder to seize property in the event of nonpayment of debt.
Mortgage Loan
A loan secured by the collateral of some specified real estate property, which the borrower is obliged to pay back with a predetermined set of payments.
Default
Failure to fulfill a legal obligation or agreement, typically in the context of a loan or contractual payment.
Down Payment
An initial payment made when something is bought on credit, representing a portion of the purchase price.
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