Q1.Following are the elements of correlation except
Answer : Option BExplaination / Solution:
It is not necessary that there must be a curvilinear relation among variables,it can be linear or non linear correlation.
Q2.Two variables are said to be positively correlated when with _____ in the value of one variable, the value of other variable also _____
Answer : Option BExplaination / Solution:
Positive correlation implies that both the variables will move in the same direction, either both will rise or both will fall.
Answer : Option CExplaination / Solution:
Karl Pearson was an influential biometrition and statistician who has been credited with establishing the discipline of mathematical statistics.