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Set A consists of 20 numbers ranging from 1 to 10. Set B consists of 20 numbers ranging from 11 to 20. What is the average (arithmetic mean) of the 40 numbers in sets A and B combined? (1)The average of the numbers in Set A is 6.7. (2)the average of the numbers in Set B is 17.3.

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Set <em>A</em> consists of 20 numbers ranging from 1 to 10. Set <em>B</em> consists of 20 numbers ranging from 11 to 20. What is the average (arithmetic mean) of the 40 numbers in sets <em>A</em> and <em>B</em> combined? (1)The average of the numbers in Set <em>A</em> is 6.7. (2)the average of the numbers in Set <em>B</em> is 17.3.






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