Question

If the correlation between X and Y is zero and you are asked to predict an individual person’s score on Y then in most cases you should guess the mean of Y. When might you guess something other than the mean?Options are:
When the distribution is not normal
When the distribution is positively skewed
When the distribution is negatively skewed
All of the above

Answer 1

this is basic
http://psychassessment.com.au/PDF/Chapter%2005.pdf

Answer 2

i think all of the above

Answer 3

@roshan2004

Answer 4

Thanks mate !!!

Answer 5

welcome