Short Answer
When the price of gasoline gets high, consumers become very concerned about the gas mileage obtained by their cars. One consumer was interested in the relationship between car engine size (number of cylinders) and gas mileage (miles/gallon). The consumer took a random sample of 7 cars and recorded the following information: and
Would you expect the correlation between engine size and gas mileage to be positive or negative?
______________
Find the correlation between engine size and gas mileage.
______________
Find the best fitting line relating car engine size and gas mileage.
y = ______________
What would you predict the gas mileage to be for a car with 6-cylinder engine size?
______________ mpg
Correct Answer:

Verified
Correct Answer:
Verified
Q2: If the correlation coefficient <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8220/.jpg" alt="If
Q3: Male and female respondents to a questionnaire
Q4: The standard deviation is a measure of
Q5: A perfect straight line sloping upward would
Q6: Which of the following are measures of
Q7: A manager of a supermarket wishes to
Q8: If the correlation coefficient <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8220/.jpg" alt="If
Q9: A perfect straight line sloping downward would
Q10: A councilman was interested in determining whether
Q11: If all the points in a scatterplot