Question
In February 2022, West Bengal government launched an
open-air classroomprogramme for students from Class 1 to 7, by the name ________.Solution
The correct answer is D
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...
X1 and X2 represent number of occurrences of event A and 8 that follow Poisson distribution with mean rate λ1 and λ2 , If Y1 and Y2 are inter-occurre...
If the first, fifth and ninth decile of frequency distribution xi ∣ fi are 3,10,16, respectively, then Kelly's coefficient of skewness is:
Marshall-Edgeworth Index number:
Which of the following is NOT a type of data classification?
Which of the following is a sources of primary data?
A Poisson distribution has a double mode at x = 1 and x = 2. The probability for x = 1 or for x = 2 of these two values is:
For the distribution
X: 1 0 1
P(x): 0.3 ...
A random sample of 100 ball bearings selected from a shipment of 2000 ball bearing has an average diameter of 0.354 inches with standard deviation 0.04...
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