The data below was collected from manufacturer advertisements of their vehicles horsepower and highway gas mileage (mpg.). Use this data to answer the following questions. X y 158 33 250 340 350 390 190 220 11 35 42 28 15 17 1. Find the the correlation coefficient. Round your final answer to four decimal places. T= 2. Write the regression equation below. Round all numbers to four decimal places. y 3. Using the data shown above, predict the the highway gas mileage (mpg) for a car that has a horsepower of 225. Round your final answer to two decimal places. 4. What percentage of variation in highway gas mileage (mpg) can be explained by horsepower? Round your final answer to two decimal places. %

MATLAB: An Introduction with Applications
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The data below was collected from manufacturer advertisements of their vehicles horsepower and highway
gas mileage (mpg.). Use this data to answer the following questions.
X 158
y
33
250 340 350 390 190 220
28
15 17
11 35 42
1. Find the the correlation coefficient. Round your final answer to four decimal places.
T
2. Write the regression equation below. Round all numbers to four decimal places.
ບ
3. Using the data shown above, predict the the highway gas mileage (mpg) for a car that has a horsepower
of 225. Round your final answer to two decimal places.
4. What percentage of variation in highway gas mileage (mpg) can be explained by horsepower? Round your
final answer to two decimal places.
%
Transcribed Image Text:(0 J The data below was collected from manufacturer advertisements of their vehicles horsepower and highway gas mileage (mpg.). Use this data to answer the following questions. X 158 y 33 250 340 350 390 190 220 28 15 17 11 35 42 1. Find the the correlation coefficient. Round your final answer to four decimal places. T 2. Write the regression equation below. Round all numbers to four decimal places. ບ 3. Using the data shown above, predict the the highway gas mileage (mpg) for a car that has a horsepower of 225. Round your final answer to two decimal places. 4. What percentage of variation in highway gas mileage (mpg) can be explained by horsepower? Round your final answer to two decimal places. %
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