An index number is used________?

What is the probability that a ball drawn at random from a jar?

Comparing the times to failure of radar transponders made by firms A, B, and C based on an airline’s sample experience with the three types of instruments one may use________?

Median is always central value even if the data is ________?

________ is a value of sample statistics?

G.M. of 2,4,8 is ________?