Question
A bought an article at 20% less of the marked price and
sold it at 12% more than the marked price. Find the profit earned by him.Solution
Let the marked price be Rs. 100 ∴ C.P. = 100 - 20 = 80 And, S.P. = 100 + 12 = 112 Profit= 112 - 80 = 32 Profit % = 32/80 × 100 = 40%
For the ANOVA which of the following options is INCORRECT.
1.      Null hypothesis H0 : μ1 = μ2 = ... = μn
2.      F ...
For the distribution with unknown θ
We set the tes...
The grouped data for the observation are as follows.
Class :Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2-4Â Â Â Â Â Â Â Â 4-6Â Â Â Â Â Â Â Â Â 6-8<...
If ten coins are tossed simultaneously, then the probability of getting at most I head is:
If mean and mode of the distribution is 32 and 21, then the distribution:
For making frequency distribution, the number of classes used depends upon:
Which one is parameter from population?
The mean and median of the distribution are 10 and 11 respectively, then the mode equals to
The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:
