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.Percent of Population Obese11.4-20.4520.45-29.4529.45-38.4538.45-47.4547.45-56.4556.45-65.4565.45-74.4574.45-83.45Number of Countries2711514201(a) What is the best estimate of the average obesity percentage for these countries? (Round your answer to two decimal places.)26.51X(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 ofX %, the United States has an obesity rateaverage.X% higher than

The provided information is as follows:The data is given as Percent of Population ObeseNumber of countries11.4-20.452720.45-29.451129.45-38.45538.45-47.45147.45-56.45456.45-65.45265.45-74.45074.45-83.451a) The given data is summarized as follows: Percent of Population ObeseMid point Number of countries 11.4-20.4527429.97520.45-29.4524.9511274.4529.45-38.4533.955169.7538.45-47.4542.92142.9247.45-56.4551.954207.856.45-65.4560.952121.965.45-74.4569.950074.45-83.4578.95178.95Sum=51Sum=1325.745The formula for the midrange is The average is calculated as follows:The best estimate of the average obesity percentage for these countries is 26.The United States has an average obesity rate 33.9%.The average is 26%.The increase rate is calculated as follows:Since the average for the United States is 33.3%, compared to the average obesity rate 26% the United States obesity rate 7.9% higher than average.a) The best estimate of the average obesity percentage for these countries is 26.b) Since the average for the United States is 33.3%, compared to the average obesity rate 26% the United States obesity rate 7.9% higher than average.