2:18 Age Number (millions) 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. 25-34 28.1 35-44 37.6 H= (Type an integer or decimal rounded to two decimal places as needed.) Vol) 1 " 4G l 42% 45-54 36.7 55-64 20.3

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A: age frequency under 18  30 18-25 27 26-35 38 36-45 59 over 45 54