Total Area under the curve in probability of density function is ?
Total Area under the curve in probability of density function is ?
A. 0
B. -1
C. 1
D. Infinity
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The standard deviation of sampling distribution of a statistics is _________________?
The standard deviation of sampling distribution of a statistics is _________________?A. Standard error of statistics
B. Sampling error of statistics
C. Sampling distribution of statistics
D. None of theseIn a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?
In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?A. 60
B. 12
C. 4.8
D. 0The lower class boundary of 25-35 will be ______________?
The lower class boundary of 25-35 will be ______________?A. 20
B. 25
C. 30
D. 35A list of sampling _________ is called sampling frame?
A list of sampling _________ is called sampling frame?A. Point
B. w.r.m
C. w.o.r
D. unitA frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?
A frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?A. Open-end
B. Distribution
C. Componemt
D. UnequalIn statistics, a sample means______________?
In statistics, a sample means______________?A. A portion of the sample
B. A portion of the population
C. all the items under investigation
D. none of the above