Question

Use the following information to answer the next $15$ exercises: Indicate if the hypothesis test is for

a. independent group means, population standard deviations, and/or variances known

b. independent group means, population standard deviations, and/or variances unknown

c. matched or paired samples

d. single mean

e. two proportions

f. single proportion

The average worker in Germany gets eight weeks of paid vacation.

Short answer

A single mean is being tested.

Step-by-step solution

Given information

In Germany, the average worker receives eight weeks of paid vacation.

Explanation

Assuming that the average worker receives paid vacation as $\mu$

The null and alternative hypothesis is given as

$$\begin{gathered} H_0:\mu =8 \\ {H}_a:\mu \ne 8 \end{gathered}$$

This demonstrates that this hypothesis test is only valid for a single mean.