Correct answer
D. Standard Deviation
Explanation
The correct answer is Standard Deviation.
Cumulative frequency is the frequency ________ than the upper class boundary of a class?
The smallest and the largest value of any given class of a frequency distribution are called ________?
A chance variation in an observational process is________?
When in hypothesis testing (alpha) increases (1-beta)?
A test is said to be most powerful test of size α, if________?
For a certain distribution if ∑(x−2)=18,∑(x−24)=0,∑(x−28)=−24) then arithmetic mean is________?