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Stat Homework Help

  • From Mathematics, Statistics
  • Due on 08 Dec, 2019 01:23:00
  • Asked On 07 Dec, 2019 12:34:19
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THE TABLE FOR EACH QUESTION PLUST THE FULL QUESTIONS CAN BE FOUND IN THE ATTATCHMENT!!!!!!!!

1 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?

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 #10.1.6 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013).  Find the correlation coefficient and coefficient of determination and then interpret both.

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 is available for the year 2011 are in table #10.1.8.  Find the correlation coefficient and coefficient of determination and then interpret both.

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). 

Test at the 5% level for a positive correlation between house value and rental amount. 

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 is available for the year 2011 are in table #10.1.8. 

Test at the 5% level for a correlation between percentage spent on health expenditure and the percentage of women receiving prenatal care. 

Researchers watched groups of dolphins off the coast of Ireland in 1998 to determine what activities the dolphins partake in at certain times of the day ("Activities of dolphin," 2013).  The numbers in table #11.1.6 represent the number of groups of dolphins that were partaking in an activity at certain times of days.  Is there enough evidence to show that the activity and the time period are independent for dolphins?  Test at the 1% level.

A person’s educational attainment and age group was collected by the U.S. Census Bureau in 1984 to see if age group and educational attainment are related.  The counts in thousands are in table #11.1.8 ("Education by age," 2013).  Do the data show that educational attainment and age are independent?  Test at the 5% level.

 

In Africa in 2011, the number of deaths of a female from cardiovascular disease for different age groups are in table #11.2.6 ("Global health observatory," 2013).  In addition, the proportion of deaths of females from all causes for the same age groups are also in table #11.2.6.  Do the data show that the death from cardiovascular disease are in the same proportion as all deaths for the different age groups?  Test at the 5% level.

10 

A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars.  One question was the reason that a person chooses a given car, and that data is in table #11.2.8 ("Car preferences," 2013).

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[Solved] STAT 200 Week 7 Homework Problems Solutions

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X = house value (independent variable) Y = rental income (dependent variable) The regr...
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[Solved] Stat Homework Help

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  • Submitted On 08 Dec, 2019 07:23:24
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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? Table #10.1.6: Data of House Value versus Rental Value Rental Value Rental Value Rental Value Rental 81000 6656 77000 4576 75000 7280 67500 6864 95000 7904 94000 8736 90000 6240 85000 7072 121000 12064 115000 7904 110000 7072 104000 7904 135000 8320 130000 9776 126000 6240 125000 7904 145000 8320 140000 9568 140000 9152 135000 7488 165000 13312 165000 8528 155000 7488 148000 8320 178000 11856 174000 10400 170000 9568 170000 12688 200000 12272 200000 10608 194000 11232 190000 8320 214000 8528 208000 10400 200000 10400 200000 8320 240000 10192 240000 12064 240000 11648 225000 12480 289000 11648 270000 12896 262000 10192 244500 11232 325000 12480 310000 12480 303000 12272 300000 12480 Slope = 0.0244 y - intercept = a = y – bx = 5363.86 Regression Equation: y = 5363.86 + 0.0244x Y = 5363.89 + (0.0244*230,000) = $10,994.79 $230,000 house predicted rental cost: $10,994.79 per month y = 5363.89 + (0.0244*400,000) = $15,156.78 $400,000 house predicted rental cost: $15,156.78 per month The house valued at $230,000 has a rental income closer to the true rental income as its rental value is closest to the average total income. 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 Health Expenditure (% of GDP) Prenatal Care (%) 9.6 47.9 3.7 54.6 5.2 93.7 5.2 84.7 10.0 100.0 4.7 42.5 4.8 96.4 6.0 77.1 5.4 58.3 4.8 95.4 4.1 78.0 6.0 93.3 9.5 93.3 6.8 93.7 6.1 89.8 Slope = 1.66060 y - intercept = a = y – bx = 69.7394 Regression Equation: y = 69.7394 + 1.6606x y = 69.7394 + (1.6606*0.05) = 69.82% When GDP = 5%, 69.82% of women are receiving prenatal care y = 69.7394 + (1.6606*0.12) = 69.94% When GDP = 12%, 69.94% of women are receiving prenatal care The predicted percentage is closer to the true percentage when the GDP is 12% 10.2.2 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). Find the correlation coefficient...
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