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Amount spent on food = 0.25 x 2500 = Rs.625 Amount spent on travelling = 0.4 x (2500 – 625) = Rs.750 His savings = 2500 – (625 + 750 + 540) = Rs.585
For making frequency distribution, the number of classes used depends upon:
Approximately, the coefficient of variation for the given data where Pearson's second measure of skewness = 0.42, arithmetic mean- 86 and median 80, is:
These seventh decile (D7) of data set 4, 3, 10, 9, 1 is
Which of the following is NOT an approach for assigning the probability of the event?
Let x and y be two variables with variance as 1990 and 796 with 11 and 9 number of observations respectively. The value of F(10, 8) at 5% level of sign...
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
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:
The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
