The following data represent the number of people aged 25 to 64 years covered by health insurance (private or government) in 2018. Approximate the mean and standard deviation for age. D Age Number (millions) μ= (Type an integer or decimal rounded to two decimal places as needed.) 0= (Type an integer or decimal rounded to two decimal places as needed.) 25-34 27.7 35-44 34.4 D 45-54 34.8 55-64 27.2

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A: Mean()=12Standard deviation()=4

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