The advantage of a large sample size, like those used in polls, is that they:
A)increase the score needed for a significant result
B)increase the probability of a Type I error
C)greatly reduce the standard deviation of the distribution of means
D)decrease the probability of correctly rejecting the null hypothesis

Question

Quizplus · Accepted Answer

A larger sample size results in a smaller standard deviation of the distribution of means, which increases the precision and accuracy of the results. This means that the data is more reliable and generalizable to the population being studied.

The Advantage of a Large Sample Size, Like Those Used