The Projections of Male Life Expectancy at Age 65 in the United

question 35

Multiple Choice

The projections of male life expectancy at age 65 in the United States are summarized in the following table. (Here, x = 0 corresponds to the beginning of 2000.)
Find the equation of the least-squares line for these data. Use the equation found to estimate the life expectancy at 65 of a male in 2050.

• A) y = 0.09x + 16; 20 years
• B) y = 0.3x + 10.38; 90 years
• C) y = 0.21x + 10.02; 86 years
• D) y = 0.3x + 10.38; 25 years

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