A hypothesis that states that there is a lack of relationship between two factors is called: a. an experimental hypothesis. b. reverse psychology. c. superstition. d. a null hypothesis. e. correlation.

d) a null hypothesis

Explanation:

Null hypothesis simply means "NO DIFFERENCE".

It always predicts that there is no relationship between the variables being studied. The reasearcher wishes to disapprove this hhypothesis.

This hypothesis states that the observed difference is entirely due to the sampling error i-e it occured purely by chance.

For example : There is no relation between smoking and lung cancer..

answer; the above is true;

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."