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.Management Sciences
Category: Statistics Mcqs
Village Patwari collecting the data about cotton crops is the example of_____________?
0
A. variable
B. Constant
C. Primary data
D. Secondary data
A function probability that a random variable of x has a value less than is called _____________?
A. Random function
B. Distribution function
C. Continuous function
D. probability function
If E(x) is the expected value of X then E[x – E(x)]= ___________________?
A. E(x) – E(x)
B. E(X) – 0
C. 0
D. E(x) + E(x)
If ‘A’ denotes the males of a town and ‘B’ denotes the females of that town, then A and B are:___________?
A. Equal sets
B. Over lapping sets
C. Non- overlapping sets
D. None of these
In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?
A: 60
B: 30
C: Zero
D: 15
The shape of the symmetrical distribution is _______?
A. U- Shaped
B. J- Shaped
C. Bell- Shaped
D. None of these
The mathematical exception of x + y is equal to ________________?
A. E(x + 0)
B. E(x + x)
C. E(x) + E(y)
D. E(y)
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