MiniTab Lab Name 1: __________________________ Name 2: _________________________ Instructions: 1. You may do this lab on your own or in teams of two. (No larger) 2. Fill out this form as you go and turn it in by Friday, December 4 at 5pm. 3. Save your work in a MiniTab project file and turn it in via Canvas. If you are in a team of two, only one team member needs to turn it in. Activities: 1. Log in and start up MiniTab. Enable command logging if you do not see a MTB > prompt in the command (top) window. 2. Open the data file. a. Identify a place to store your files, either in a directory no the hard drive or a USB thumb drive. Create a folder for this lab. b. Log into the IE 311 Canvas site and click on the MiniTab Lab assignment c. Then click on “IE_311_Minitab_Lab.MTW” file. Save this file to your directory. After saving it, you can log out of Canvas. d. Next, go back to Minitab and click File > Open Worksheet (not Open Project) from the Minitab menu. Locate and open the file from part b). e. You may have to click on a pop-up notice to continue. Then, note the message in the Session window and the data in the worksheet. f. Click file > Save Project as … and save a copy of your project in your working folder. Use a name of your own choosing. Once you do this, you can save again later by clicking on the disc icon or using -s. g. Write the name of your project file here _________ 3. Conduct a test, for H0: μ1 = μ2 vs. Ha: μ1 ne μ2 with α = 0.10. This was gone over in class. a. The data columns are MDS1 and MDS2 b. What assumptions are you making? c. Interpret the test. Can you reject the null hypothesis that μ1 = μ2? Why? d. When done, close each plot window, choosing the option to not save the plots. IE 311 Fall 2015 – MiniTab Introduction Lab Page 2 4. Test SDS for normalcy. a. Based on Tuesday’s class select a method for this check. Record the method here. Method: _________________________________ b. Conduct the test. c. Can we conclude the data are normally distributed? d. Why or why not? e. Close any plot windows, choosing to not save them. 5. Test LDS for normalcy. a. Based on Tuesday’s class select a method for this check. Record the method here. Method: _________________________________ b. Conduct the test. c. Can we conclude the data are normally distributed? d. Why or why not? e. Close any plot windows, choosing to not save them. 6. Check out the stat guide. Look up information on the paired t test. a. Click on Help > Stat Guide. Then expand Basic Statistics by clicking on the +. b. Expand the entry for the 2-sample t, then, click on summary and read it. c. Try clicking on some of the underlined words in blue. d. Now, click on More under 2-Sample t and then on “Dependent and independent samples.” e. Describe at least one new thing you learned from the guide. IE 311 Fall 2015 – MiniTab Introduction Lab Page 3 7. For each of these operations, indicate which menu items to click on, in order. For example, for the one-sample Z-test, click on Stat, Basic Statistics, 1Z 1 Sample Z. a. ___________________________ 2-sample t test b. __________________________ Create a new column from existing ones. c. ___________________________ Comparing two population proportions. d. ___________________________ Generating random data e. ___________________________ Generate a stem and leaf chart f. ___________________________ Print a copy of the Session window. 8. Why is it important to make sure the MTB > prompt is present in the session Window? 9. Save your project and exit Minitab. Then upload the project file to Canvas and turn in this sheet to your instructor. Last revised December 1, 2015 by jpm
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