Increasing the size of a probability sample
A) decreases the level of confidence.
B) increases the variability of a sample statistic.
C) decreases the variability of a sample statistic.
D) increases the variability in a population parameter.
E) decreases the variability in a population parameter.

Question

Quizplus · Accepted Answer

Increasing the size of a probability sample decreases the variability of a sample statistic. This is because larger sample sizes lead to a more accurate representation of the population, which reduces the impact of random sampling error.

Increasing the Size of a Probability Sample