C. Use regression to find the line of best fit and the correlation coefficient. Round your answers to two decimal places. T= Number d. What is the slope of the regression equation? What does it mean? The slope of the regression equation is Number . and it means that per capita income by Numbar for each year. C fr L e. Use the line of best fit to estimate PCINC for 1900, and for 1970. Round your answers to the nearest integer (dallar). When the year is 1900, ý = Number When the year is 1970, ý = Number
C. Use regression to find the line of best fit and the correlation coefficient. Round your answers to two decimal places. T= Number d. What is the slope of the regression equation? What does it mean? The slope of the regression equation is Number . and it means that per capita income by Numbar for each year. C fr L e. Use the line of best fit to estimate PCINC for 1900, and for 1970. Round your answers to the nearest integer (dallar). When the year is 1900, ý = Number When the year is 1970, ý = Number
ChapterP: Prerequisites
SectionP.6: The Rectangular Coordinate System And Graphs
Problem 2ECP
Related questions
Question
Transcribed Image Text:Use regression to find the line of best fit and the correlation caefficient.
C.
Round your answers to two decimal places.
T3=
Number
d.
What is the slope of the regression equation? What does it mean?
The slope of the regression equation is
Number
and it means that per capita income
Cick for Lil
by Number
for each year.
e.
Use the line af best fit to estimate PCINC for 1900, and for 1970.
Round your answers to the nearest integer (dallar).
When the year is 1900, ý = Number
When the year is 1970, ý
Number
Transcribed Image Text:The following table shows economic development measured in per capita income PCINC.
Year
PCINC
Year
PCINC
1870
345
1920
1,044
1880
495
1930
1, 163
1890
590
1940
1, 361
1900
747
1950
1, 826
1910
921
1960
2, 138
Table 12.7
What are the independent and dependent variables?
The independent variable is the
and the dependent variable is the
b. Which of the following is the correct scatterplat for the data above?
2500
a 1500
1000-
A 500-
1880
1900
1920
1940
1960
1980
X- year
25001
2000
a 1500
1000-
! 5oot
04
1880
1900
1920
1940
1960
1980
X- year
2500-
2000-
1500
1000
500-
1880
1900
1920
X-year
1940
1960
2500
是20004
a 1500-
1000-
50
1880
1900
1920
1940
1960
1980
X- year
auco undeo ad-
auco ndeo ad- d
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