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Usually people are referring to the mean when asking for the average. This is found by adding up the numbers, then dividing by how many data. So there are 7 numbers (this is what to divide by). Add them up: 15 + 31 + 26 + 1 + 49 + 7 + 18 = 147 ; then 147 ÷ 7 = 21

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13y ago

What else can I help you with?