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)	26.6	37.5	30.3	28.1

u equals=

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

sigmaσequals=

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

Answer 1

u = 44.39

Sigma = 10.73

Thank you.