Mathematics, 24.02.2021 23:20, prishapup27

Here are Ryan's scores in nine French tests. 4 6 4 7 8 a 6 7 7 The mean of Ryan's nine scores is 6. Work out the value of a.

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Here are Ryan's scores in nine French tests. 4 6 4 7 8 a 6 7 7 The mean of Ryan's nine scores is 6....