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: