List I List II A. Coefficient of range I.  x100 B. Coefficient of QD II. C. Coefficient of MAD III. D. Coefficient of variation (CV) IV. Choose the correct answer from the options given below:

Statement I : Quota sampling is the non-random method of selecting a sample from a population. Statement II : The standard error of the estimate is inversely proportional to the square root of the sample size. In light of the above statements, choose the correct answer from the options given below

A)The class intervals must be closed. B)The width of each class interval should be equal. C) The mid-value of each class interval must represent the average of all values in that class. D) All values of observations cannot be evenly distributed. Choose the most appropriate answer from the options given below:

a) It is discrete distribution b) It is a family of distributions c) It is skewed to the left d) The x value range from zero to infinity Which one of the following options in most appropriate?