Mean deviation is always ________________?
Mean deviation is always ________________?
A. Equal to S.D.
B. More than S.D.
C. Less than S.D.
D. Negative
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In descriptive statistics, we study______________?
In descriptive statistics, we study______________?A. The description of decision making process
B. The methods for organizing, displaying, and describing data
C. How to describe the probability distribution
D. None of the aboveA quantity obtained by applying certain rule or formula is known as ________________?
A quantity obtained by applying certain rule or formula is known as ________________?A. Estimate
B. Test Statistics
C. Estimation
D. Sample
E. EstimatorSuppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?
Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?A. 50
B. 70
C. 50/20
D. 50-20 = 30
E. 50In a binomial distribution the probability of ___________ changes from trial to trial?
In a binomial distribution the probability of ___________ changes from trial to trial?A. Failure
B. Experiment
C. Success
D. Out comeIn perfect association the value of coefficient of association is ______________?
In perfect association the value of coefficient of association is ______________?A. (0)
B. +1
C. -1
D. non of theseThe mean of a binomial distribution is always:____________________?
The mean of a binomial distribution is always:____________________?A. Equal to variance
B. Less than variance
C. Greater than varince
D. None of these