Advanced Placement (AP), 23.10.2019 07:00 cutegirl0987
Some population variables are correlated, meaning that they change together for example, an infant mortality rate in a population is often correlated with a shorter life expectancy. which of these factors likely contributes the least to high infant mortality and shorter life expectancy?
a. poor medical care
b. low standard of living
c. poor education
d. low fertility rate.
Answers: 1
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The difference of sample means of two populations is 55.4, and the standard deviation of the difference of sample means is 28.1. which statement is true if we are testing the null hypothesis at the 95% confidence level? a. the difference of the two means is significant, so the null hypothesis must be rejected. b. the difference of the two means is significant, so the null hypothesis must be accepted. c. the difference of the two means is not significant, so the null hypothesis must be rejected. d. the difference of the two means is not significant, so the null hypothesis must be accepted.
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Describe african kingship what were its attributes how did this system affect africa
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Some population variables are correlated, meaning that they change together for example, an infant m...
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