Question

The Department of Motor Vehicles reports that 32% of all vehicles registered in a state are made by a Japanese or a European automaker. The number 32% is best described as
A. a sample proportion.
B. a statistic.
C. a parameter.

Answer 1

Answer: C. a parameter.

Step-by-step explanation:

• In statistics, a parameter is a measure ( such as population mean , population proportion... ) generated from the entire population .
• A statistics is also a measure( such as sample mean , sample standard deviation , sample proportion,..) but generated from the sample taken from population.

Given : The Department of Motor Vehicles reports that 32% of all vehicles registered in a state are made by a Japanese or a European automaker.

Here,  Department as considered the entire population of vehicles registered in a state are made by a Japanese or a European automaker to find the proportion.

Thus , 32% = Population proportion of vehicles registered in a state are made by a Japanese or a European automaker

So , The number 32% is best described as a parameter.

Hence, the correct answer is C. a parameter.