Which of the following situations could produce data sets or plots would have a regression line with a negative slope? Select all that apply. Select all that apply: The number of miles a ship has traveled as a function of the number of years since it was launched. The number of miles a ship travels each year as a function of the number of years since it was launched.
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.
Which of the following situations could produce data sets or plots would have a regression line with a negative slope? Select all that apply.
Select all that apply:
-
The number of miles a ship has traveled as a
function of the number of years since it was launched. -
The number of miles a ship travels each year as a function of the number of years since it was launched.
-
the number of times a ship needs repairs as a function of the number of years since the ship was initially launched.
-
the number of voyages a ship can make per year as a function of the length (in days) of each voyage.
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