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Assume That the Population Distributions of Life Expectancy (In Years)

Question 178

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Assume that the population distributions of life expectancy (in years) of men and women are normal with equal variances. Two random samples, drawn independently from the populations, showed the following statistics. Assume that the population distributions of life expectancy (in years) of men and women are normal with equal variances. Two random samples, drawn independently from the populations, showed the following statistics.   Construct and interpret a 99% confidence interval for the true difference in average life expectancy of men and women. What is the 99% confidence interval? (CI) CI = ______________ Enter (n1, n2) Since this interval does not contain zero, the sample evidence ______________ support that men and women have, on average, different life expectancies.. Construct and interpret a 99% confidence interval for the true difference in average life expectancy of men and women.
What is the 99% confidence interval? (CI)
CI = ______________ Enter (n1, n2)
Since this interval does not contain zero, the sample evidence ______________ support that men and women have, on average, different life expectancies..

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(-9.130, -...

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