Mathematics, 24.06.2019 20:50 kiki4832
In the united states, mothers who live in poverty generally have babies with lower birthweight than those who do not live in poverty. the mean birthweight for babies born in the u. s. to mothers living in poverty is approximately 2800 grams. the cdc carries out a study to test the effectiveness of a new prenatal care program in reducing the number of low birthweight babies born. for the study, 30 mothers, all of whom live in poverty, participate in the program and birthweight data is recorded. which hypothesis test would be most appropriate for this sample z-test, sample t-test, -samples t-test, why?
Answers: 3
Mathematics, 21.06.2019 15:50
If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?
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Mathematics, 21.06.2019 16:30
11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%
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Mathematics, 21.06.2019 17:00
You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?
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Mathematics, 21.06.2019 18:30
Is the square root of 4 plus the square root of 16 rational?
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