A sociologist expects the life expectancy of people in Africa is different than the life expectancy of people in Asia. The data obtained is shown in the table below. Determine the 95% confidence interval for the difference in the population means. 
Definitions:
Muscular Strength
The ability of a muscle or group of muscles to exert force against resistance.
Vision
The faculty or state of being able to see; the ability to interpret the surrounding environment using light in the visible spectrum absorbed by the eyes.
Hearing
The sensory process by which sound waves are transformed into electrical signals that are interpreted by the brain.
Climacteric
A phase in the human aging process marking the transition from the reproductive phase to the non-reproductive years in both men and women.
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