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The dot plot below shows the number of days with different temperatures last month. What is the mean of the data set shown? A. 8 B. 5.13 C. 2,430 D. 81

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thaovtp1407

Answer:

D. 81

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Here is my answer:

Number of days: 30

Mean of the data set = (68 + 70*2 +74*2 +76*4 +78 +80*5 + 82*3 +84*5 + 88 +88*3 + 92*3) /30 = 81

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