1. Calculate the alpha value. Divide the confidence level by 100 and subtract the result from one. For example, if your confidence level was 96 percent, you would divide 96 by 100
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To calculate percent error you just take the actual value over the estimated value and multiply by 100. So if you had 25 and you estimated 50 you would wind up with .5. Then you would
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Standard error (statistics) From Wikipedia, the free encyclopedia. For a value that is sampled with an unbiased normally distributed error, the above depicts the proportion of samples
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1. Determine the number of units of advertising. The number of units is equal to the number of impressions divided by 1,000. For example, a company takes out ad space and estimates
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