Let the total available marks in the examination be 100x. Marks scored by A = 38% of 100x= 38x Marks scored by B = 68% of 100x= 68x According to question, => 38x + 40 = 68x – 50 => 30x = 90 => x = 3 Total marks of the examination = 100x = 300
The six decile (D6 ) of 5, 3, 2, 6, 8, 4 is:
For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:
The Excess Kurtosis of the Geometric distribution with parameter p is:
Which of the following statements is INCORRECT?
If the third quartile of the following data set 7,10,7,8,9 is 9.5, then the value of quartile deviation is:
The value of k so that following is probability mass function
X:Â Â Â Â Â Â Â Â Â Â Â -2Â Â Â Â Â Â Â Â Â Â Â -1Â Â Â Â Â Â Â Â Â Â Â 0Â Â Â...
For the frequency distribution of X number of grammatical mistakes per line is as follows.
X:Â Â Â Â Â Â Â Â Â Â Â 0Â Â Â Â Â Â Â Â Â Â Â Â Â ...
For the two variables X and Y, the following observations are tabulated
X:Â Â Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â...
The square of normal variate with mean 0 and variance 1 follows:
