7. Inference for Quantitative Data(COLON) Means

Setting Up A Test For The Difference Of Two Population Means — Quiz

Test your understanding of setting up a test for the difference of two population means with 5 practice questions.

Practice Questions

Question 1

In a test for the difference of two population means, which parameter is usually being tested?

Question 2

What is the usual null hypothesis for a test comparing two population means when the goal is to see whether the means are different?

Question 3

Which alternative hypothesis matches a test that asks whether population mean $1$ is greater than population mean $2$?

Question 4

Which condition is important for using a two-sample $t$ procedure for means?

Question 5

What does the statistic $\bar{x}_1-\bar{x}_2$ represent in a test for two means?