Statistics: Testing Statistical Hypothesis – #29353


Question: a) The following have been prepared so that data sets B through D are slightly modified versions of data set A. Make scatter diagrams and figure the correlation coefficients for each data set.

DATA SET A DATA SET B DATA SET C DATA SET D
X Y X Y X Y X Y
1 1 1 1 1 5 1 1
2 2 2 2 2 4 2 4
3 3 3 3 3 3 3 3
4 4 4 5 4 2 4 2
5 5 5 4 5 1 5 5

b) Discuss how and why the correlations change.

only-members
 

log in

reset password

Back to
log in