Asked by Courtney Mendez on Aug 01, 2024
Verified
A company has developed a new engine whose average lifetime is unknown.In order to estimate this average,100 engines are randomly selected from a large production line and tested; their average lifetime is found to be 11 years.The 11 years represents a:
A) parameter.
B) statistic.
C) sample.
D) population.
Engine
A machine designed to convert energy into useful mechanical motion, often found in vehicles, machinery, and various equipment.
Statistic
A numerical measurement describing some characteristic of a sample.
Production Line
A series of sequential operations established in a factory where components are assembled to produce a finished product.
- Contrast the nature of statistics with that of parameters.
Verified Answer
ZK
Zybrea KnightAug 04, 2024
Final Answer :
B
Explanation :
The average lifetime of the 100 engines is a statistic because it is based on a sample (the 100 engines selected from the production line) and is used to estimate the population parameter (the true average lifetime of all engines produced by the company).
Learning Objectives
- Contrast the nature of statistics with that of parameters.