A Sociologist Expects the Life Expectancy of People in Africa $95 \%$

Multiple Choice

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.

A) $- 13.5 < \mu _ { 1 } - \mu _ { 2 } < - 6.3$
B) $- 11.4 < \mu _ { 1 } - \mu _ { 2 } < - 7.6$
C) $- 16.3 < \mu _ { 1 } - \mu _ { 2 } < - 6.0$
D) $- 12.2 < \mu _ { 1 } - \mu _ { 2 } < - 6.9$