Asked by Lauren Hammons on Jul 20, 2024
Verified
{Truck Speed and Gas Mileage Narrative} What does the coefficient of correlation tell you about the direction and strength of the relationship between the two variables?
Coefficient of Correlation
A statistical measure that calculates the strength and direction of a linear relationship between two variables on a scatterplot.
Gas Mileage
A measure of a vehicle's fuel efficiency, commonly expressed in miles per gallon (MPG) or liters per 100 kilometers (L/100km).
Truck Speed
The rate at which a truck travels, typically measured in miles per hour (mph) or kilometers per hour (km/h).
- Distinguish and interpret the correlation coefficient and the coefficient of determination in regression analysis.
Verified Answer
NV
Nikolas VellingerJul 22, 2024
Final Answer :
There is a very strong negative linear relationship between truck speed and gas mileage.As speed increases,gas mileage decreases,and this relationship is very reliable.
Learning Objectives
- Distinguish and interpret the correlation coefficient and the coefficient of determination in regression analysis.