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If the mean of the data set 11, 19, 4a, 7a, 14a is 71, then what is the value of a?​
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If the mean of the data set 11, 19, 4a, 7a, 14a is 71, then what is the value of a?​

User Doubidou
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4 votes

Answer:

11+19+4a+7a+14a=71.30+25a=71.25a=71-30.a=1.64

User Martijn Visser
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