Errors

Question 1

Type I error

Answer 1

Falsely reject the H0. Alpha level is 0.05

Question 2

Type II error

Answer 2

Falsely accept the H0, even though its false

Question 3

Power (sensitivity)

Answer 3

1-Beta seen in alternative distribution (correctly rejecting Null) IF you reject the null, this is the prob it’s a good decision.

Question 4

1-a (Specificity)

Answer 4

In Null distribution, correctly accepting the Null.

Question 5

Alpha

Answer 5

Incorrectly rejecting the Null, in the Null distribution. Adding the red in the curve amounts to 5%

Question 6

Beta

Answer 6

Incorrectly accepting the Null, in Alternative distribution.