test of correlation pearsons

Question 1

when we use pearsons

Answer 1

-correlation between two data sets
-interval data

Question 2

what is step 1 - table of data

Answer 2

-calc the sum of scores for X and Y
-square each x and y value
-add x2 and y2 column now
-multiply x and y for each participant
-add these values tg

Question 3

what is step 2 - workout the value of R

Answer 3

use formula in revision folder

Question 4

what is step 3 ? the calculated and critical values

Answer 4

-look at type of test, and the level
-if calculated value of R is more than cirtical value the result is significant
-reject null H

Question 5

look at revision folder for diagrams