Approximate the mean for following GFDT. Data Frequency 50 - 54 1 55 - 59 3 60 - 64 4 65 - 69 14 70 - 74 17 75 - 79 11 80 - 84 7 85 - 89 5 90 - 94 1 mean = Report answer accurate to one decimal place.
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Doing so, we get a total of 1420. Show more…
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