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:

 In an ANOVA problem for one­way classified data, with three classes and three observations per class, if the F­ value is 1.5 and the total sum of squares is 18, then the mean square between classes is :

If six hand-writings were ranked by two judges in a competition and the rankings are as follows:

Then the value of Spearman's rank correlation coefficient is

 In an analysis of variance problem involving 3 treatments and 10 observations per treatment, SSE= 399.6 The MSE for the analysis would be :

 The average of 25 numbers is 36. If the average of first 13 numbers is 32 and that of the last 13 numbers is 39, then the 13th number is

 An observation is drawn from an experimental distribution with mean θ, if the observation is found to be 2, and we test H₀ : θ>1 against H₁ : θ>1 with level e^­-3 then