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Question 52

Multiple Choice

Use the following to answer the questions below:
Data were collected on the age (in years) and price (in thousands of dollars) of a random sample of 25 used Hyundai Elantras. A scatterplot of the data (with regression line) and computer output from a regression analysis are provided.
Use three decimal places when reporting the results from any calculations, unless otherwise specified.
The regression equation is Price = 15.3 - 1.71 Age
Use the following to answer the questions below: Data were collected on the age (in years)  and price (in thousands of dollars)  of a random sample of 25 used Hyundai Elantras. A scatterplot of the data (with regression line)  and computer output from a regression analysis are provided. Use three decimal places when reporting the results from any calculations, unless otherwise specified. The regression equation is Price = 15.3 - 1.71 Age    -What is the estimated slope in this regression model? Interpret the slope in context. A)  The estimated slope is -1.71. For each additional year of age, the predicted price of the car (used Hyundai Elantra)  decreases by $1,710. B)  The estimated slope is -1.71. For each additional year of age, the predicted price of the car (used Hyundai Elantra)  decreases by $1.71. C)  The estimated slope is 15.3. The cost of a new used Hyundai Elantra is approximately $15,300. D)  The estimated slope is 15.3. For each additional year of age, the predicted price of the car (used Hyundai Elantra)  decreases by $1530.
-What is the estimated slope in this regression model? Interpret the slope in context.


A) The estimated slope is -1.71.
For each additional year of age, the predicted price of the car (used Hyundai Elantra) decreases by $1,710.
B) The estimated slope is -1.71.
For each additional year of age, the predicted price of the car (used Hyundai Elantra) decreases by $1.71.
C) The estimated slope is 15.3.
The cost of a new used Hyundai Elantra is approximately $15,300.
D) The estimated slope is 15.3.
For each additional year of age, the predicted price of the car (used Hyundai Elantra) decreases by $1530.

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