Question
If r and R denote correlation and multiple correlation
coefficient for the data set for X1, X2 and X3 . Which option is correct?Solution
The correct answer is D
 X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
The 95% confidence interval of average age of accidents in any city during last year for a sample of size 100 with mean age 34.25 from population of st...
If A and B are mutually exclusive, the general addition rule is:
If X and Y represent waiting time and service time of customers in shopping mall, have joint destiny f(x, y) = kx; 0 ≤ y ≤ x ≤ 1, then the value ...
For the distribution with unknown θ

We set the tes...
The mode of the given data set is 12. The sum of the frequency on both sides of mode are 16. The skewness:
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
Which is not relative measures of skewness?

If the third quartile of the following data set 7,10,7,8,9 is 9.5, then the value of quartile deviation is:
