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

Question

Quizplus · Accepted Answer

Inferential statistics involves drawing conclusions and making inferences about a population based on a sample. In this case, the researchers have used a sample of 10 cars to make a conclusion about the effect of the computer chip modification on horsepower for a larger population of cars. Therefore, this is an example of inferential statistics.

A Random Sample of 10 Cars Is Analyzed to Evaluate