Foundation
Mathematics Foundation
Mean
Question
If the mean and median of a set of numbers are 8.9 and 9 respectively, then the mode will be
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Solution
Mean = 8.9
median = 9
mode = 3 median – 2 mean
= 3 × 9 – 2 × 8.9
= 27 – 17.8 = 9.2
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