Data classified by many ________ said to be Quantitative?

________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?

Richness is not a ________?

Combine mean calculated by different given mean is ________?

Frequency table is an arrangement of data by classes together with their ________ class frequencies?

If y= ax + b the S.D. of y is ________?