A crusial assumptions of anova is
Method of calculating skewness which is based on positions of quartiles and median in a distribution is called
Number of observations are 30 and value of arithmetic mean is 15 then sum of all values is
If median is 12, mean is 15 and standard deviation of data is 3 then Karl Pearson's coefficient of skewness is
A long run increase or decrease in data is known to be
A scalar matrix having each element equal to 1 is said to be
wtmp and utmp files contain: