Find the least-squares line y= Bo + B,x that best fits the data (- 4,0), (- 1,0), (0,2), (1,5), and (4,5), assuming that the first and last data points are less reliable. Weight them half as much as the three interior points. The least-squares line is y=+ x. (Simplify your answers.)

Find the least-squares line y= Bo + B,x that best fits the data (- 4,0), (- 1,0), (0,2), (1,5), and (4,5), assuming that the first and last data points are less reliable. Weight them half as much as the three interior points. The least-squares line is y=+ x. (Simplify your answers.)

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter2: Functions And Graphs

Section2.4: Writing And Graphing Equations Of Lines

Problem 79E

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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.

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Find the least-squares line y= Bo + B,x that best fits the data (- 4,0), (- 1,0), (0,2), (1,5), and (4,5), assuming that the first and last data points are less reliable. Weight them half as much as the three interior points.
The least-squares line is y=+ x.
(Simplify your answers.)

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