StatCrunch Instructions: Hypothesis Testing for the Population Mean
To open this file in StatCrunch you must first right-click here and choose "Save Target As" to download the file to your computer. Next click here to open StatCrunch in a separate window and login using your username and password.
- Click on the link "Open StatCrunch" at the top of the My StatCrunch page.
- To open the data set, click on the Data button in the top row and select Load -> From file -> on my computer.
- Under File, press the Browse button and select the data set you downloaded.
- Scroll to the bottom of the page and click on "Load File."
Perform the t-test using StatCrunch.
If raw data are given:
- Choose: Stat -> T Stats -> One Sample -> with data.
- In Select column(s), choose the relevant column of sample data by double clicking on the column name.
- In Perform, select Hypothesis test for μ.
- Enter a null value for the population mean.
- For the alternative hypothesis, choose from the options of not equal, less than and greater than.
- Press Compute!
If summaries are given:
- Choose: Stat -> T Stats -> One Sample -> With Summary.
- Enter the sample mean, sample standard deviation and sample size.
- In Perform, select Hypothesis test for μ.
- Enter a null value for the population mean.
- For the alternative hypothesis, choose from the options of not equal, less than and greater than.
- Press Compute!