StatCrunch Instructions: Matched Pairs
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."
Please use the following StatCrunch commands to answer the next set of questions:
- Choose: Stat -> T Stats -> Paired.
- Select Regular seed for Sample 1.
- Select Kiln-dried seed for Sample 2.
- For Save, check "Differences."
- In Perform, select Hypothesis test for μd = μ1 - μ2.
- Enter a null value for μd.
- For the alternative hypothesis, choose from the options of not equal, less than and greater than (be sure to consider how the differences were calculated).
- Press Compute!
Note that the computed differences appear in a new column called Differences.