266MathematicsMedium
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is________?
A2.5
B0
C20
D5
Correct answer
A. 2.5
Explanation
The correct answer is 2.5.
Correct answer
A. 2.5
Explanation
The correct answer is 2.5.
When the word random variable use in statistics it must have?
Cluster sampling is useful when sampling units are________?
Shape of possion distribution depends upon?
In a Poisson probability distribution ________?
________ is used to criterion of consistency i.e for consistence performance?
The data which have already been collected by some one are called________?