Cloak of Invisibility, statistics homework help
Cloak of Invisibility, statistics homework help
Here is 6 questions about the T-test and Z-test in the document. And I post one of the example of it following:
- Professor McGonagall was interested in whether or not the “Cloak of Invisibility” affects how much mischief Hogwarts students get into. She allows students in her transfiguration class (N = 15) to each wear the Cloak for one day during the month of November. She records the number of points that students lose for mischief in both November (M = 12, SD = 4) and December (M = 10, SD =2).
- How many samples?
- Is there an IV, if so what is it?
- What is the DV?
- Null (words and notation)
- Alternative (words and notation)
- One-tailed or two-tailed?
- Which test?
- Df (if possible) and Critical Value:

