A study using body mass index (EMI)-an index af obesity-as a function of income (S thousands) reported the following data in 2016. Income 15 20.5 30 40 60 75 31.1 29.4 27.5 27.2 26.7 19.9 BMI A USE SALT Determine which variable is the independent variable and which is the dependent variable The independent variable is-Soloct- Vand the dependent variable is-Seloct-V Calculate the comelation coefficient r. (Round your answer to four dedmal places.) r- O Calculate the ecuation of the regression line. (Round your numerical values to two decimal places.) y- Plat the points and the line an a scatterplot. BMI BMI BMI BMI s0 32 32 80 30 30 G0 28 28 60 26 26 40 24 24 22 40 22 20 20 20 20 Income Income 80 Income 32 w .. Income 80 20 22 24 26 28 30 32 20 30 40 50 GO 70 20 22 24 26 28 30 20 30 40 50 G0 70 Does the line provide a good description of the data? O Yes, the scatterplot shows a linear pattem, so the line provides a good description of the data.
A study using body mass index (EMI)-an index af obesity-as a function of income (S thousands) reported the following data in 2016. Income 15 20.5 30 40 60 75 31.1 29.4 27.5 27.2 26.7 19.9 BMI A USE SALT Determine which variable is the independent variable and which is the dependent variable The independent variable is-Soloct- Vand the dependent variable is-Seloct-V Calculate the comelation coefficient r. (Round your answer to four dedmal places.) r- O Calculate the ecuation of the regression line. (Round your numerical values to two decimal places.) y- Plat the points and the line an a scatterplot. BMI BMI BMI BMI s0 32 32 80 30 30 G0 28 28 60 26 26 40 24 24 22 40 22 20 20 20 20 Income Income 80 Income 32 w .. Income 80 20 22 24 26 28 30 32 20 30 40 50 GO 70 20 22 24 26 28 30 20 30 40 50 G0 70 Does the line provide a good description of the data? O Yes, the scatterplot shows a linear pattem, so the line provides a good description of the data.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.CR: Chapter 4 Review
Problem 88CR
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Question
The independent variable is ---Select--- income or BMI and the dependent variable is ---Select--- income or BMI.
Transcribed Image Text:A study using body mass index (EMI)-an index of obesity-as a function of income ($ thousands) reported the following data in 2016.
Income 15 20.5 30 40 60 75
EMI
31.1 29.4 27.5 27.2 26.7 19.9
A USE SALT
Determine whidch variable is the independent variable and which is the dependent variable
The independent variable is-Sclect- V and the dependent variable is -Soloct- V.
Calculate the corelation coefficient r. (Round your answer to four dedmal places.)
r- O
Calculate the equation of the regression line. (Round your numerical values to two decimal places.)
y -
Plot the points and the line on a scatterplot.
BMI
BMI
BMI
BMI
32
80
32
80
30
30
60
28
28
60
26
26
40
24
24
40
22
22
20
20
20
20
- Income
Income
32
Income
32
Income
80
20
22
24
26
28
30
20
30
40
50
G0
70
80
20
22
24 26 28
30
20
30
40
50
70
Does the line provide a good description of the data?
O Yes, the scatterplot shows a linear pattem, so the line provides a good description of the data.
O No, the scatterplot shows a nanlinear pattem, so the line does nat provide a good desoription of the data.
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