290MathematicsMedium
The Harmonic Mean of any two numbers is________?
Aab−−√
Ba+b
C2aba+b
Da+b2
Correct answer
C. 2aba+b
Explanation
The correct answer is 2aba+b.
Correct answer
C. 2aba+b
Explanation
The correct answer is 2aba+b.
Single number which shows ________ changes in a phenomenon is called an Index Number?
Questionnaire survey method is used to collect________?
Base year quantities are used as weights in ________?
There are ________ important bases of classification of data?
In constructing a histogram which is to be taken along X-axis________?
The sign test assumes that the________?