Instructions
For this discussion post, we are going to run a hypothesis test using the Z-distribution. Read the following:
The average salary for a registered nurse in Las Vegas is claimed to be $82,000 with a standard deviation of $14,500. To determine if this information is accurate, we sampled 80 registered nurses working in Las Vegas and find their average salary to be $85,025. Test this at the α = 0.05 level.
Discussion Prompts
Answer the following questions in your initial post:
- What are the hypotheses based on the words given in the problem?
- What is our Z?
- What is the P-value?
- Based on your p-value and alpha, what conclusion will we make? Do we have evidence that the claim is false?
- Are there any other variables that could potentially impact the salary of a registered nurse? What are some methods of sampling we can use to ensure we have a representative population.
Supporting Resources: Hypothesis Test Basics https://www.youtube.com/watch?v=DlwOTOydeykLinks to an external site.
P-Value Basics https://www.youtube.com/watch?v=KLnGOL_AUgALinks to an external site.