Find the mean of the data in the dot plot below.

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What is the approximate circumference of the circle shown below?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Is the power produced directly proportional to the wind speed, give reasons for your answer?