Question

Which of the following are statistics are which are parameters?

a.) standard deviation of a sample
b.) mean of a sample
c.) the percentage of observations that are below zero in a sample
d.) standard deviation of a population
e.) mean of a population
f.) the percentage of observations that are below zero in a population

Answer 1

A, B, C are statistics and D, E, F are parameters. Statistics indicate sample or small portion of size. Parameters indicate large portion of size or the population.