5. Write sentences that interpret the slope and y-intercept of the LSRL.
6. Superimpose the regression equation on the scatterplot.
7. Predict the rate of heart attacks for a country where the average wine consumption is 3 liters/person/year.
8. Would it be appropriate to try to predict the death rate from heart attacks for Estonia where the per capita wine consumption is 15 liters/year? Why or why not?
9. What is the explained variation for this data? Interpret your result.
10. Create a residual plot and comment on what you see.
11. Is there statistical evidence that a linear relationship exists between wine consumption and the occurrence of heart attacks? Conduct an appropriate test.
Homework Answers
Add Answer to:
5. Write sentences that interpret the slope and y-intercept of
the LSRL.
6. Superimpose the regression...
I need help from 9-11. I calculated 7-8 below. 7)Alcohol Consumption (liters/person/year): 3 Heart disease = 260.56-22.969(3) = 191.653 8) Alcohol Consumption (liters/pers...
I need help from 9-11.
I calculated 7-8 below.
7)Alcohol Consumption (liters/person/year): 3
Heart disease =
260.56-22.969(3)
= 191.653
8) Alcohol Consumption (liters/person/year): 15
Heart disease =
260.56-22.969(15)
= -83.975
It wouldn’t be appropriate because the heart disease is
in -83.975.
The following table presents data on wine consumption (in liters per person per year) and death rate from heart attacks (in deaths per 100,000 people per year) in 19 developed Western countries. WINE CONSUMPTION AND HEART ATTACKS Alcohol Heart...
The following table presents data on wine consumption (in liters per person per year) and death...
The following table presents data on wine consumption (in liters per person per year) and death rate from heart attacks (in deaths per 100,000 people per year) in 19 developed Western countries. WINE CONSUMPTION AND HEART ATTACKS Heart divae Country 131 24 Denmark United Sues Wea German 79 Answer each question/complete the tasks. (point value is in parentheses) 1. What is the explanatory variable and what is the response variable? (2) 2. Make a complete scatterplot of the data. (3)...
The following scatterplot presents data on wine consumption and death rate from heart attacks in 19...
The following scatterplot presents data on wine consumption and
death rate from heart attacks in 19 developed Western countries.
The scatterplot shows that...(disregard question on top of
scatterplot photo)!!!!!!
a.
countries that drink more wine have lower death rates from heart
disease.
b.
country is the explanatory variable.
c.
countries that drink more wine have higher death rates from
heart disease.
d.
the amount of wine a country drinks is not related to its heart
disease death rate.
e.
heart...
A)Draw a scatter plot to show a moderately strong relationship between wind consumption and heart disease...
A)Draw a scatter plot to show a moderately strong relationship
between wind consumption and heart disease death rate.
B)Calculate a, b, and R2 in the relationship Y = a + bX, where
X is wine consumption and Y is heart disease death rate.
C)Use the equation above to predict the heart disease death
rate in a country where wine consumption is 1 and and in a country
where the consumption is 8.
Table 2; Problem 6.5 Country Wine Heart diseaseCountryWine...
i need the answers to b c d e and f Q3. 120 pts) There is...
i need the answers to b c d e and f
Q3. 120 pts) There is some indication that consumption of moderate amounts of wine can help prevent heart attacks. Below is a plot and summary of yearly wine consumption (liters of alcohol fromm drinking wine, per person) and yearly death rates from heart disease (deaths per 100,000 for a of & n contries Heart discase death rate167 131 220 71 107 167 115 236 Alcohol from wine Heart death...
The scatterplot below presents data on wine consumption and death rate from heart attacks in 19...
The scatterplot below presents data on wine consumption and death rate from heart attacks in 19 developed Western countries. The correlation between wine consumption and heart disease deaths is one of the following values. From the scatterplot, which must be true? 300 Heart Disease Death per 100,000 People 02 6 8 Alcohol from Wine (liters) 10 12 a. r=0.84 Ob.r= -0.84 Ocr=0.25 Od r=0.001 e. r= -0.25
QUESTION 13 The scatterplot below presents data on wine consumption and death rate from heart attacks...
QUESTION 13
The scatterplot below presents data on wine consumption
and death rate from heart attacks in 19 developed Western
countries. If the heart disease death rate were expressed as deaths
per 1000 people instead of deaths per 100,000 people, how would the
correlation r between wine consumption and heart disease death
rates change
a.
r would not change
b.
r would be multiplied by 10
c.
r would be divided by 100
d.
r would be multiplied by 100...
R programming R1. Below is a table showing a variety of countries (first column), the number of cigarettes consumed...
R programming
R1. Below is a table showing a variety of countries (first column), the number of cigarettes consumed per adult per year (second column), and the rate at which people die from coronary heart disease CHD) per 100,000 people (third column). Put these data into a dataframe in R. Then run a linear regression that examines how CHD rates (response variable) are predicted by cigarette consumption (predictor variable). What is the equation of the regression line you get? What...
Sangria Topochico - The Capital Budgeting Decision In December 2012, María Guadalupe, the owner of Sidral...
Sangria Topochico - The Capital Budgeting Decision In December 2012, María Guadalupe, the owner of Sidral Mundet Sol, had just finished reading a report done by his general manager, Francisco Javier, about the possible investment in a new product line, Sangria Topochico. The idea of Sangria Topochico came about three months earlier when María attended a seminar on youth obesity organized by a local high school that his two children attended. Even though he had often heard of the rising...
I need help from 9-11.
I calculated 7-8 below.
7)Alcohol Consumption (liters/person/year): 3
Heart disease =
260.56-22.969(3)
= 191.653
8) Alcohol Consumption (liters/person/year): 15
Heart disease =
260.56-22.969(15)
= -83.975
It wouldn’t be appropriate because the heart disease is
in -83.975.
The following table presents data on wine consumption (in liters per person per year) and death rate from heart attacks (in deaths per 100,000 people per year) in 19 developed Western countries. WINE CONSUMPTION AND HEART ATTACKS Alcohol Heart...
The following table presents data on wine consumption (in liters per person per year) and death rate from heart attacks (in deaths per 100,000 people per year) in 19 developed Western countries. WINE CONSUMPTION AND HEART ATTACKS Heart divae Country 131 24 Denmark United Sues Wea German 79 Answer each question/complete the tasks. (point value is in parentheses) 1. What is the explanatory variable and what is the response variable? (2) 2. Make a complete scatterplot of the data. (3)...
The following scatterplot presents data on wine consumption and
death rate from heart attacks in 19 developed Western countries.
The scatterplot shows that...(disregard question on top of
scatterplot photo)!!!!!!
a.
countries that drink more wine have lower death rates from heart
disease.
b.
country is the explanatory variable.
c.
countries that drink more wine have higher death rates from
heart disease.
d.
the amount of wine a country drinks is not related to its heart
disease death rate.
e.
heart...
A)Draw a scatter plot to show a moderately strong relationship
between wind consumption and heart disease death rate.
B)Calculate a, b, and R2 in the relationship Y = a + bX, where
X is wine consumption and Y is heart disease death rate.
C)Use the equation above to predict the heart disease death
rate in a country where wine consumption is 1 and and in a country
where the consumption is 8.
Table 2; Problem 6.5 Country Wine Heart diseaseCountryWine...
i need the answers to b c d e and f
Q3. 120 pts) There is some indication that consumption of moderate amounts of wine can help prevent heart attacks. Below is a plot and summary of yearly wine consumption (liters of alcohol fromm drinking wine, per person) and yearly death rates from heart disease (deaths per 100,000 for a of & n contries Heart discase death rate167 131 220 71 107 167 115 236 Alcohol from wine Heart death...
The scatterplot below presents data on wine consumption and death rate from heart attacks in 19 developed Western countries. The correlation between wine consumption and heart disease deaths is one of the following values. From the scatterplot, which must be true? 300 Heart Disease Death per 100,000 People 02 6 8 Alcohol from Wine (liters) 10 12 a. r=0.84 Ob.r= -0.84 Ocr=0.25 Od r=0.001 e. r= -0.25
QUESTION 13
The scatterplot below presents data on wine consumption
and death rate from heart attacks in 19 developed Western
countries. If the heart disease death rate were expressed as deaths
per 1000 people instead of deaths per 100,000 people, how would the
correlation r between wine consumption and heart disease death
rates change
a.
r would not change
b.
r would be multiplied by 10
c.
r would be divided by 100
d.
r would be multiplied by 100...
R programming
R1. Below is a table showing a variety of countries (first column), the number of cigarettes consumed per adult per year (second column), and the rate at which people die from coronary heart disease CHD) per 100,000 people (third column). Put these data into a dataframe in R. Then run a linear regression that examines how CHD rates (response variable) are predicted by cigarette consumption (predictor variable). What is the equation of the regression line you get? What...
Sangria Topochico - The Capital Budgeting Decision In December 2012, María Guadalupe, the owner of Sidral Mundet Sol, had just finished reading a report done by his general manager, Francisco Javier, about the possible investment in a new product line, Sangria Topochico. The idea of Sangria Topochico came about three months earlier when María attended a seminar on youth obesity organized by a local high school that his two children attended. Even though he had often heard of the rising...
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