In August 2012 Gallup reported the results from a survey of 177,663 U.S. adults from January - June 2012 for the Gallup-Healthways Well-Being Index. Based on self-reported height and weight data, they found that 62.8% of U.S. adults are overweight or obese. A 95% confidence interval for the proportion of U.S. adults that are overweight or obese is (0.626, 0.63). Does this interval support the claim that "two-thirds of Americans are overweight or obese"? Briefly justify your answer.

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The Answer of In August 2012 Gallup reported the results from a survey of 177,663 U.S. adults from January - June 2012 for the Gallup-Healthways Well-Being Index. Based on self-reported height and weight data, they found that 62.8% of U.S. adults are overweight or obese. A 95% confidence interval for the proportion of U.S. adults that are overweight or obese is (0.626, 0.63). Does this interval support the claim that "two-thirds of Americans are overweight or obese"? Briefly justify your answer.

In August 2012 Gallup Reported the Results from a Survey