The average length of the eight words Betty was asked to spell was 9 letters. The first seven letters were 8 letters, 9 letters, 6 letters, 10 letters, 7 letters, 9 letters, and 11 letters what was the length of the the eighth word

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17 December, 06:54

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Kaylen Dean · Answer 1

12 letters

The deviations from the average are - 1, 0, - 3, 1, - 2, 0, 2, totaling - 3. Hence the final word must be 3 letters longer than average.