Shape of possion distribution depends upon?
A. On random variable X
B. Its parameter
C. Mean
D. Variance
Statistics Mcqs
If p=q than the shape of binomial distribution?
If p=q than the shape of binomial distribution?
A. Positively skewed
B. Negative skwed
C. Symmeteric
D. No shape
If p=0.6 and q=0.4 than shape of the binomial distribution?
If p=0.6 and q=0.4 than shape of the binomial distribution?
A. Positively skewed
B. Negatively skewed
C. Symmetric
D. Bell shaped
In stratified sampling the strata should be _________?
In stratified sampling the strata should be _________?
A. Nonoverlapped
B. Overlapped
C. Same
D. Not equal
If A and B are mutually exclusive then?
If A and B are mutually exclusive then?
A. P(AorB) =0
B. P(AandB)=0
C. P(AnorB)=0
D. P(AeitherB)=0
Two mutually exclusive events are __________?
Two mutually exclusive events are __________?
A. Dependent
B. Independent
C. Overlapped
D. None of These
Confidence interval should be ___________?
Confidence interval should be ___________?
A. Shorter
B. Wider
C. Large
D. Small
Confidence interval is a measure of?
Confidence interval is a measure of?
A. Accuracy
B. Precision
C. Error
D. All of above
Who give the concept of standard deviation and CV?
Who give the concept of standard deviation and CV?
A. R.A Fisher
B. John Tukey
C. Karl Pearson
D. All of the above
The term variance introduced by ___________?
The term variance introduced by ___________?
A. Ronald Fisher
B. Karl Pearson
C. John Tukey
D. None of these