Question

the form The mean is a measure of central tendency, and the standard deviation mea- sures the extent to which the data is spread. Frequently, raw data from different sources is difficult to compare because the units of measure are different, e.g. one research may use the metric system while another uses American units. To compensate, data is almost always first "standardized" into unitless quantities. The standardization of a vector x for which σ× 0 is defined to be Entries in zx are often referred to as standard scores or z-scores. (b) Show that all standardized vectors have the property that lal vn. and σ. 1.

Answer 1

cam be ten