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Mathematics, 05.05.2021 20:40 rubend661

Helen practiced the piano 5 days last week. The list below shows the number of minutes she practiced each day: 20, 25, 30, 20, 30

What is the MAD (mean absolute deviation) in Helen's practice times?

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Helen practiced the piano 5 days last week. The list below shows the number of minutes she practiced...

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