The z-score of the data can be calculated by the formula expressed as follows:
z = ( score - mean ) / standard deviation z = (126 - 150 ) / 11 = <span>-2.18 </span> A z-Score<span> is a statistical </span>measurement<span> of a </span>score's<span> relationship to the mean in a group of </span>scores<span>. A </span>Z-score<span> of 0 means the </span>score<span> is the same as the mean.</span><span>
