Title: OA 2 Central Tendency and Variability
Course: PSYC 301 Statistical Methods in Psychol > Section: First Part of Course

For this exercise you will do an analysis using jamovi on the data that is linked here.

Click to download data for assignment (download it to your OneDrive or local computer so you can load it into jamovi, it is a jamovi formatted file).

Load the data into jamovi and then do the following steps.

Use the text entry box for the assignment for your responses to the questions.

1. Select Data at the top of the window (next to the 'hamburger' file icon).
2. Select Compute, a variable creation box will open that has "COMPUTED VARIABLE" above the variable name box.
  1. Write Standard Score for the variable name
  2. Click the function drop down to the right of formula looks like this: f_x
  3. Scroll through the list in the drop down until you find Z and double click it.
  4. You should see a blinking cursor between the parenthesis and the drop down should still be active. If not still active, click on the f_x again.
  5. Select Narcissism Score by double clicking it.
3. Select Analyses and then select Exploration: Descriptives.
4. Put both Narcissism Score and Standard Score into the Variables box for the Descriptives analysis.
5. Put Sex into the  Split By box.
6. Open the Statistics panel and select the following checkboxes
  - N
  - Mean
  - Median
  - Mode
  - Std. Deviation
  - Variance
  - Range
7. Those values will appear to in the right hand panel, write each down so you can type them in as the responses to this assignment
8. Type in all those values, clearly labeling each with its name listed above under a heading for the two variables you put in the box. (That is "N = 52, Mean = 21.32...) Use the text entry box for this assignment.
9. Check the variance is the square of the standard deviation, is that the case? (your phone has a calculator, probably)
10. Submit the assignment.