For each of the following research questions, determine whether correlation, linear regression, multiple regression, or logistic regression is best suited to answer it. What is the strength of the relationship between the speed with which a runner completes a one mile run and their resting heart rate? What percent of the variation in resting heart rate is explained by the speed with which a runner completes a one mile run? What percent of the variation in resting heart rate is explained by the speed with which a runner completes a one mile run and the runner’s body mass index (BMI)? What is the odds of having a resting heart rate below 1 according to the speed with which a runner completes a one mile run?
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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For each of the following research questions, determine whether
correlation , linearregression, multiple regression, or logistic regression is best suited to answer it.
-
What is the strength of the relationship between the speed with which a runner
completes a one mile run and their resting heart rate?
-
What percent of the variation in resting heart rate is explained by the speed with
which a runner completes a one mile run?
-
What percent of the variation in resting heart rate is explained by the speed with
which a runner completes a one mile run and the runner’s body mass index
(BMI)?
-
What is the odds of having a resting heart rate below 1 according to the speed
with which a runner completes a one mile run?
-
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