Answer to Question #179192 in Statistics and Probability for Jorel

Question

Researchers want to find out what percentage of a countries population had visited the capital. Which samples below contain​ bias? Use pencil and paper. If you combine the four samples shown​ here, will that set contain​ bias?

Answer 1

If the sample contain bais, Then The null hypothesis will be rejected.

Then we take another sample from the population, and again checking the critical value. When you will combine, There may be a possibility that sample contain bais, This can be calculated by using the t-test statistics.