stat 200 week 7 homework problems stat200 week 7 homework problems v2 questions amp answers new
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STAT 200 Week 7 Homework Problems
10.1.2
Table #10.1.6 contains the value of the house and the amount of rental income in a year that the
house brings in ("Capital and rental," 2013). Create a scatter plot and find a regression equation
between house value and rental income. Then use the regression equation to find the rental
income a house worth $230,000 and for a house worth $400,000. Which rental income that you
calculated do you think is closer to the true rental income? Why?
Using Google sheets, the calculated regression equation is y=5364+0.024x
Putting x=230000, therefore y = 5364+0.024(230000) = 10884
, Putting x=400000, therefore y = 5364+0.024(400000) = 14964
10.1.4
The World Bank collected data on the percentage of GDP that a country spends on health
expenditures ("Health expenditure," 2013) and also the percentage of women receiving prenatal
care ("Pregnant woman receiving," 2013). The data for the countries where this information are
available for the year 2011 is in table #10.1.8. Create a scatter plot of the data and find a
regression equation between percentage spent on health expenditure and the percentage of
women receiving prenatal care. Then use the regression equation to find the percent of women
receiving prenatal care for a country that spends 5.0% of GDP on health expenditure and for a
country that spends 12.0% of GDP. Which prenatal care percentage that you calculated do you
think is closer to the true percentage? Why?
Table #10.1.8: Data of Health Expenditure versus Prenatal Care
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