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Average obesity percentage for countries

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The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data is summarized in the following table.

 

11.4-20.45 

27

20.45-29.45 

13

29.45-38.45 

5

38.45-47.45 

0

47.45-56.45 

4

56.45-65.45 

2

65.45-74.45 

1

74.45-83.45 

1 

(a) What is the best estimate of the average obesity percentage for these countries? (Round your answer to two decimal places.) 

(b) The United States has an average obesity rate of 33.9%. Is this rate above average or below? (Round your answers to two decimal places.) Since the average for the United Sates is 33.9%, compared to the average obesity rate of  %, the United States has an obesity rate  % higher than average.

Reference no: EM131210963

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