scanned by camscanner · the mean of the following table is 50. but frequency fl and f2 in class 20...
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![Page 1: Scanned by CamScanner · The mean of the following table is 50. But frequency fl and f2 in class 20 - 40 and 60 - 80 are missing. Find the missing frequency- Class 0-20 20-40 40-60](https://reader033.vdocuments.mx/reader033/viewer/2022042103/5e80dffe7dd4c115466a628a/html5/thumbnails/1.jpg)
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