Question

__1.- Below is the curve corresponding to the density function of the T test. Let's assume that you have calculated a value of t=0.45 and your P-val=P(T>0.45). At the curve below indicate: (1) the value at the center, (2) the location of t=0.45, (3) the area corresponding to the P-val (shade that area in the curve)

Answer 1

Here' the answer to the question. Let me know in case you've any doubts on the answer.

I've drawn and marked each of the 3 part' answer in the image below.

Just to take you through the answer:

(1) divides the distribution into 2 equal half, so the value at the center is t = 0

P(t > 0) = .5, P(t < 0) = .5

(2) t = .45, is marked to the right of t = 0 in the graph

(3) P(t > .45) is the area to the right of t = .45, it is shaded in the image

(2) t = 0.45 (1) t=0 P(+70) -0.5 3P(70.45) P(t,0)=0.5 Note: t=0 is the answer to (1) t=0.45 is marked in the curve P/t70.45) is marked in the it is marked / shaded in the curve, graph

(1) , (2) and (3) are marked in the image. Please also see at the bottom of the image.