Question

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.

Age

​25-34

​35-44

​45-54

​55-64

Number​ (millions)

23.923.9

37.637.6

35.235.2

20.220.2

muμequals=nothing

​(Type an integer or decimal rounded to two decimal places as​needed.)

sigmaσequals=nothing

​(Type an integer or decimal rounded to two decimal places as​needed.)

Answer 1

Answer:

Question

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The following data represent the number of people aged 25 to 64 years covered by health insurance (private or government) in 2003

Approximate the mean and standard deviation for age.

Age

Number (millions)

25-34

35-44

45-54

55-64

24.9

26.4

37.1

32.5

= r1

44.62 years

(Round to two decimal places as needed.)

=10.47 years

(Round to two decimal places as needed.)

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Step 1

Given data and calculation for the mean an...