Advanced Placement (AP), 29.10.2020 17:10, kefernanda40
In 1950, a country had a total fertility rate of 5.9. In 2010, the total fertility rate of the country was 2.3. Which of the following is most likely the reason for the change in total fertility rate?
A. Women had increased educational opportunities and had children later in life.
B. Families had limited access to family planning and contraceptives.
C. There were lower infant mortality rates as a result of increased access to healthcare.
D. The country shifted to a more agricultural-based economy and the need for child labor decreased.
Answers: 3
Advanced Placement (AP), 24.06.2019 19:30, pilarmonsivais
Weak stimulus will cause a weak action potential. the stronger the stimulus, the stronger the action potential. a. true b. false
Answers: 1
Advanced Placement (AP), 25.06.2019 22:30, BobBball9126
If you think a piece of information will be on an upcoming test, you should always write it in your notes.
Answers: 2
Advanced Placement (AP), 27.06.2019 07:30, janiyaf8941
What is the tychonic system? a. a model of the solar system in which all the planets (including earth) orbit the sun b. a model of the solar system in which the planets, moon, and sun orbit earth c. a model of the solar system where the planets orbit the sun, and this system orbits earth d. a model where all the planets and earth are fixed in space and only the sun and moon move e. a model that expands the system to a vast number of galaxies and star systems
Answers: 2
Advanced Placement (AP), 27.06.2019 13:30, babbygirl8597
Researchers pose the question: can shoe size be predicted from a woman's height? a random sample of 18 females and their shoe size versus height (in inches) gives the regression results shown in the table. predictor coeff se coeff t ratio p-value constant -45.74 32.58 -2.57 0.147 height 0.5943 0.2984 1.99 0.042 s = 3.2178 r-sq. = 18.9% r-sq. (adj) = 12.4% is there statistical evidence of a linear relationship between shoe size and height? no, because r2, the coefficient of determination, is too small no, because 0.147 is above any reasonable significance level yes, there is evidence at the 5% significance level yes, because, by any reasonable observation, taller women tend to have a larger shoe size
Answers: 2
In 1950, a country had a total fertility rate of 5.9. In 2010, the total fertility rate of the count...
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