Question

If there are 5,200 registered voters are randomly sampled, which statements are true of a sample of 30 voters? Check all that apply.The sample size is too small and will show a large variation.The sample size is too small and can lead to false inferences.This is an invalid sample because it randomly chooses voters.A larger sample will give more reliable information.The sample size is too large to make inferences.

Answer 1

The First, second, and fourth option

Answer 2

The sample size is too small and will show a large variation.

The sample size is too small and can lead to false inferences.

A larger sample will give more reliable information.

Explanation:

-In statistical sampling, sample size is of critical importance.

-A large sample size increases the accuracy of mean values as it eliminates or flattens out outliers.

-A large sample size also leads to a lower margin of error as the confidence level increases.

-The is greater precision when a larger sample size is used.