2. What is the value of the sample correlation coefficient, r? Round to three decimals. r = 3. Identify the linear correlation by strength and type in that order. Strength: Туре:
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.
![Hours Online and Test Scores The number of hours 12 students spent online during the weekend and the scores of
each student who took a test the following Monday are listed in the table below.
Hours Spent
o 1 2 3 3 5 5 5 6 7 7 10
Online
Test Score
96 85 82 74 95 68 76 84 58 65 75 50
The scatter diagram (scatter plot) of the above data is shown below.
Video Games and Success of Assessments
-100-
-80
10
15
20
25
Hours Spent Online
Test Scores](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F556ac2e7-6d19-4986-953e-24d771f5147b%2F340cdf43-0c0e-426a-a7ea-20c385a63d7a%2Fu3df4nb_processed.png&w=3840&q=75)
![1. Identify the variables as explanatory or response.
Hours Spent Online: explanatory
Test Scores: response
2. What is the value of the sample correlation coefficient, r? Round to three decimals. r=
3. Identify the linear correlation by strength and type in that order.
Strength:
Туре:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F556ac2e7-6d19-4986-953e-24d771f5147b%2F340cdf43-0c0e-426a-a7ea-20c385a63d7a%2F6d1oaxj_processed.png&w=3840&q=75)
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