You have an aquarium full of tropical salt-water fish and you need to know the exact salt content of the water. To test it, you take a cup and scoop some of the water out. In statistical language, the scoop of water is a:
A)population
B)parameter
C)sample
D)population distribution

Question

Quizplus · Accepted Answer

The scoop of water represents a subset of the entire population of water in the aquarium, so it is a sample. Since you are measuring the salt content of the scoop of water, you are obtaining a statistic, not a parameter. A population distribution would refer to the distribution of the entire population of salt water in the aquarium, which is not relevant in this scenario.

You Have an Aquarium Full of Tropical Salt-Water Fish and You