Question

what is hypothesis and its types ?

Answer 1

a proposed explanation  made on the basis of limited evidence as a starting point for further investigation
its types are
null hypothesis
simple hypothesis
complex hypothesis
empirical hypothesis
alternative hypothesis
logical hypothesis
statistical hypothesis  

Answer 2

A hypothesis is a prediction about the relationship between variables. It is usually based on theoretical expectations about how things work. There are twotypes of hypotheses: Null hypothesis: A null hypothesis always predicts the absence of a relationship between two variables.