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Mode = 5
Median = 69th term + 70th term / 2
= 10 + 10 / 2
= 20 / 2
= 10
Mean = (56×5) + (23×10) + (15×39) + (20×13) + (25×8) / 139
= 280 + 230 + 585 + 260 + 200 / 139
= 11.19
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