Question
Which state police recently launched the digital
platform 'Trinetra' App 2.0?Solution
The Uttar Pradesh Police recently launched the digital platform 'Trinetra' App 2.0.
The Mean deviation about Median for the given data.
52, 56, 66, 70, 75, 80, 82 is:
By the method of moving averages, the seasonal index for four quarters equals to:
Which option is WRONG?
If the difference between the rank of the 4 observations are 2.5, 0.5, -1.5, -1.5, then Spearman's rank correlation coefficient equals to:
If each observation is halved then the coefficient of quartile deviation
60% of the employees of a company are college graduates. Of these, 10% are in sales. Of the employees who did not graduate from college, 80% are in sal...
 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...
For completely randomized design for k treatments and n observations, yif = response from the jth unit receiving ith treatment, �...

For the variables X, Y and Z, rXY = 0.80, rXZ = 0.64, rY Z = 0.79 , then square of multiple correlation coefficient R2 X.Y Z is: