A random sample of 10 cars is analyzed to evaluate the effect on horsepower of installing a computer chip modification.Based on the sample, researchers conclude that this modification will significantly increase a vehicle's horsepower if installed.This is an example of:
A) inferential statistics.
B) the scientific method.
C) descriptive statistics.
D) population statistics.

Question

Quizplus · Accepted Answer

This is an example of inferential statistics because the researchers are making conclusions about the entire population of cars based on a sample of 10 cars. They are inferring that the modification will have a significant effect on horsepower for all cars, not just the 10 in the sample.

A Random Sample of 10 Cars Is Analyzed to Evaluate