If the Standard Deviation of X Is 18,the Covariance of X

question 172

True/False

If the standard deviation of x is 18,the covariance of x and y is 120,the coefficient r = 0.90,then the standard deviation of y is 54.87.

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Definitions:

Credit Sale

A transaction where goods or services are provided to a customer with the agreement that payment will be made at a later date.

Terms 3/10

A payment term indicating that a buyer can take a 3% discount on the invoice amount if the payment is made within 10 days of the invoice date.

Credit Terms

The conditions under which a seller will extend credit to a buyer, including the repayment time frame and any interest charged.

Merchandise

Goods bought and sold in the normal course of business, typically referring to products available for resale to customers.