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Category: Statistics Mcqs
In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?
0
A. 60
B. 12
C. 4.8
D. 0
Herbicide A has been used for years in order to kill a particular type of weed. An experiment is to be conducted in order to see whether a new herbicide, Herbicide B, is more effective than Herbicide A. Herbicide A will continue to be used unless there is sufficient evidence that Herbicide B is more effective. The alternative hypothesis in this problem is_____________?
A. Herbicide A is more effective than Herbicide B
B. Herbicide A is not more effective than Herbicide B
C. Herbicide B is more effective than Herbicide A
D. Herbicide B is not more effective than Herbicide A
Least square regression line always passes through ____________________?
A. (x,y)
B. (X,Y)
C. (X,Z)
D. x/y
Random numbers are also called__________________?
A. Random experiment
B. random Errors
C. Random digits
D. None of these
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