Correlation Tes...

The defects of rank correlation is/are_______________.

Karl Pearson's method is popularly known as ______________.

Correlation is said to be simple when_____________.

Coefficient of Correlation is:

If the letter of the word $$SCHOOL$$ are arranged as per dictionary then rank of the word $$SCHOOL$$ is

$$Which\,of\,the\,following\,is\,always\,true\,?$$

The average age of $$12$$ children is $$20$$ years. If the age of one more child is added, the average is decreased by $$1$$. What is the age of the child added later ?

Which of the following is NOT true with respect to Correlation?

Calculate the coefficient of correlation from following data:
Summation of products of deviation from their respective means of X and Y = 4880, SDX = 28.70, SDy = 18.02, N = 10.

The coefficient of rank correlation of marks obtained by 10 students in English and Economics was to be fount 0.5. It was later discovered that the difference in ranks in the two subjects obtained by one of the students was wrongly taken as 3 instead of 7. Find correct coefficient of rank correlation.