what are prerequisites for z standardization what is prerequisite for z standardization are prerequisites for z-standardization? what is the prerequisites for z standardization are prerequisites for z standardization? which of the following studies used the z-standardization procedure? is z standardisation prerequisites what are prerequisites for z standardization prerequisite for z standardization what are prerequisites for z? prerequisites for z standardization are prerequisites for z standardization prerequisites for z standardization prerequisites of z standardization prerequisites for z-standardization what are prerequisites for z standardization what are prerequisites for z-standardization prerequisites for z standardization prerequisite z standardization which study used the z transformation