Complete parts (a) through (h) for the data below. 40 50 60 70 80 62 58 54 46 33 (e) Graph the least-squares regression line on the scatter diagram, Choose the correct graph below. O A. OB. OC. OD. Ay 90- Ay 100어- 90 100- 0+ 30 30 90 0- 30 100 (f) Compute the sum of the squared residuals for the line found in part (b). (Round to three decimal places as needed.) (g) Compute the sum of the squared residuals for the least-squares regression line found in part (d).
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.

![Complete parts (a) through (h) for the data below.
40
50
X.
60
54
70
80
Questio
y
62
58
46
33
0-
30
30-
100
30
(f) Compute the sum of the squared residuals for the line found in part (b).
(Round to three decimal places as needed.)
(g) Compute the sum of the squared residuals for the least-squares regression line found in part (d).
(Round to three decimal places as needed.)
(h) Comment on the fit of the line found in part (b) versus the least-squares regression line found in part (d).
The line in part
V passes through the most points. The line in part
the sum of the squared residuals, thus being the best-fitting line.
Click to select your answer().
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