Suppose rxy is the correlation coefficient between two variables X and Y where s.d.(X) = s.d.(Y). If θ is the angle between the two regression lines of Y on X and X on Y then :
The data taken from the publication "sankhya" will be considered as :
An ANOVA procedure is used for data obtained from five populations. Five samples were taken from the 5 populations each comprising of 20 observations. The degree of freedom associated with F is :
If a data set contains n paired values on two variables x(independent) and y(dependent), then their plot is called :
In the analysis of twoway classified data if p and q are the number of levels of the two factors then an unbiased estimator for the error variance is given by
The mean and standard deviation (s.d.) of runs scored by three batsmen A,B and C in 9 consecutive matches are given below,
Considering coefficient of variations as the measure of consistency,
which of the following is correct:
