The 28-Year-Old Who Caught the Excel Error Heard Round the World - In These Times

The 28-Year-Old Who Caught the Excel Error Heard Round the World - In These Times:

 "There were actually four errors all together. Any one error by itself would not have been enough to cause the negative average. It was the combined effect of all four of them: They interacted with each other and amplified each other—almost like a perfect storm of errors. The errors are the selective exclusion of data, the spreadsheet error, the unconventional weighting of the average and the transcription error."

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