Question: For the data shown in the frequency distribution table below, which represent the compressive strength of twenty concrete cubes, find the mean 25 - 27

For the data shown in the frequency distribution table below, which represent the compressive strength of twenty concrete cubes, find the mean 25 - 27 28-30 Categories 10-12 Repetition 2 13-15 3 16-18 F1 19-21 5 22 - 24 3 2 1

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