Same response flay be tile Cumecl diswerre than one questio1. Which data set indicates the strongest positive linearrelationship between its two variables?Choose one2. Which data set has an apparent positive, but notperfect, linear relationship between its two variables?Choose one3. For which data set is the sample correlationChoose onecoefficient r closest to 0?4. For which data set is the sample correlationcoefficient r equal to -1?Choose oneDoneChoose onethe x, y data setthe u, v data set"the w, t data setthe m, n data set 10:23AAwww-awn.aleks.comO REGRESSION AND CORRELATIONLinear relationship and the sample.Below are four bivariate data sets and the scatter plot for each. (Notethat each scatter plot is displayed on the same scale.) Each data set ismade up of sample values drawn from a population.1.0 1.01.0 7.02.0 2.02.0 8.93.0 3.03.0 7.44.0 4.04.0 5.45.0 5.05.0 | 8.56.0 | 6.06.0 | 5.17.0| 7.07.0 4.28.0 8.08.0 7.19.0 9.0 Figure 19.0 6.2 Figure 210.0 10.010.0 3.8wm1.0| 3.51.0 8.02.0 4.52.0 5.13.0 3.23.0 10.04.0 5.14.0 6.35.0 4.55.0 2.36.0 7.46.0 4,77.0 6.17.0 9.37.69.0 6.6 Figure 310.0 8.38.0 7.68.0 3.79.0 9.1 Figure 410.0 6.8Answer the following questions about the relationships between pairs ofvariables and the values of r, the sample correlation coefficient. Thesame response may be the correct answer for more than one question.1. Which data set indicates the strongest positive linearrelationship between its two variables?Choose one2. Which data set has an apparent positive, but notperfect, linear relationship between its two variables?Choose one3. For which data set is the sample correlationChoose onecoefficient r closest to 0?4. For which data set is the sample correlationcoefficient r equal to -17Choose one?ExplanationCheckO 2021 McGraw-Hil Education. All Rights Reserved. Terms of UseIPrivacy Accessiblity

Solution: The scatter plots are given for different data sets.

1. Which data set indicates the strongest positive linear relationship between its two variables? Choose one 2. Which data set has an apparent positive, but not perfect, linear relationship between its two variables? Choose one 3. For which data set is the sample correlation coefficient r closest to 0? Choose one 4. For which data set is the sample correlation

1. Which data set indicates the strongest positive linear relationship between its two variables? Choose one 2. Which data set has an apparent positive, but not perfect, linear relationship between its two variables? Choose one 3. For which data set is the sample correlation coefficient r closest to 0? Choose one 4. For which data set is the sample correlation

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

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.

Question

Same response flay be tile Cumecl diswer
re than one questio
1. Which data set indicates the strongest positive linear
relationship between its two variables?
Choose one
2. Which data set has an apparent positive, but not
perfect, linear relationship between its two variables?
Choose one
3. For which data set is the sample correlation
Choose one
coefficient r closest to 0?
4. For which data set is the sample correlation
coefficient r equal to -1?
Choose one
Done
Choose one
the x, y data set
the u, v data set
"the w, t data set
the m, n data set

10:23
AA
www-awn.aleks.com
O REGRESSION AND CORRELATION
Linear relationship and the sample.
Below are four bivariate data sets and the scatter plot for each. (Note
that each scatter plot is displayed on the same scale.) Each data set is
made up of sample values drawn from a population.
1.0 1.0
1.0 7.0
2.0 2.0
2.0 8.9
3.0 3.0
3.0 7.4
4.0 4.0
4.0 5.4
5.0 5.0
5.0 | 8.5
6.0 | 6.0
6.0 | 5.1
7.0| 7.0
7.0 4.2
8.0 8.0
8.0 7.1
9.0 9.0 Figure 1
9.0 6.2 Figure 2
10.0 10.0
10.0 3.8
w
m
1.0| 3.5
1.0 8.0
2.0 4.5
2.0 5.1
3.0 3.2
3.0 10.0
4.0 5.1
4.0 6.3
5.0 4.5
5.0 2.3
6.0 7.4
6.0 4,7
7.0 6.1
7.0 9.3
7.6
9.0 6.6 Figure 3
10.0 8.3
8.0 7.6
8.0 3.7
9.0 9.1 Figure 4
10.0 6.8
Answer the following questions about the relationships between pairs of
variables and the values of r, the sample correlation coefficient. The
same response may be the correct answer for more than one question.
1. Which data set indicates the strongest positive linear
relationship between its two variables?
Choose one
2. Which data set has an apparent positive, but not
perfect, linear relationship between its two variables?
Choose one
3. For which data set is the sample correlation
Choose one
coefficient r closest to 0?
4. For which data set is the sample correlation
coefficient r equal to -17
Choose one
?
Explanation
Check
O 2021 McGraw-Hil Education. All Rights Reserved. Terms of Use
I
Privacy Accessiblity

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