7. Inference for Quantitative Data(COLON) Means

Carrying Out A Test For A Population Mean — Quiz

Test your understanding of carrying out a test for a population mean with 5 practice questions.

Practice Questions

Question 1

In a one-sample $t$ test for a population mean, what is the null hypothesis usually written as when the claim is that the population mean equals a specific value $\mu_0$?

Question 2

Which condition is most important for using a one-sample $t$ test for a mean when the population standard deviation is unknown?

Question 3

What test statistic is used for a one-sample test about a population mean when $\sigma$ is unknown?

Question 4

Suppose a school claims the average sleep time for students is $\mu_0 = 8$ hours. A random sample gives $\bar{x} = 7.6$, $s = 1.2$, and $n = 36$. What is the value of the test statistic?

Question 5

In a significance test for a population mean, what does the $p$-value represent?