Mathematics, 20.07.2019 16:30 Emieloy2959
4. the ages of a group of 9 friends are: 12, 14, 13, 16, 13, 15, 15, 17 and 13. calculate the mean, median and range
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4. the ages of a group of 9 friends are: 12, 14, 13, 16, 13, 15, 15, 17 and 13. calculate the mean,...
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