# Question

A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined to be yˆ =185.7 -21.52x

a. Find the resale value of such a car when it is 3 years old.

b. Find the resale value of such a car when it is 6 years old.

c. What is the average annual decrease in the resale price of these cars?

a. Find the resale value of such a car when it is 3 years old.

b. Find the resale value of such a car when it is 6 years old.

c. What is the average annual decrease in the resale price of these cars?

## Answer to relevant Questions

The Federal Highway Administration annually reports on state motor-fuel taxes. Based on the latest report, the amount of receipts, in thousands of dollars, can be estimated using the equation: Receipts = - 5359 + 0.9956 ...a. If every person’s arm displayed the exact Golden Ratio, describe the appearance of a scatter diagram where the length of the forearm, y, and the length of the hand, x, have been plotted. b. Since body proportions vary ...The given rule of thumb is that pets age seven times faster than people. The most common pets are dogs and cats. a. Consider the data below on cat ages versus human ages. Is there a relationship between cat ages and human ...Determine whether each of the following questions requires correlation analysis or regression analysis to obtain an answer. a. Is there a correlation between the grades a student attained in high school and the grades he or ...The following data are a sample of the ages and the asking prices for used Honda Accords that were listed on AutoTrader.com on March 10, 2005: a. Draw a scatter diagram. b. Calculate the equation of the line of best fit. c. ...Post your question

0