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how to figure out z score. Lets write that down. As the formula shows the z-score is simply the raw score minus the population mean divided by the population standard deviation.
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As I actually have hundreds of metric to deal with. Gather all of your data. For example if you are a 60-year-old female a Z-score compares your bone density to the average bone density of 60-year-old females.
The z-scores have a mean of 0 and a standard deviation of 1.
Well this just means 053 standard deviations above the mean. For any z-score the area to its right plus the area to its left must equal 1 or 100. For this example type 119 into cell B2. The formula for calculating a z-score is is z x-ms where x is the raw score m is the population mean and s is the population standard deviation.
