Assignment 29950

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: