Cereals For many people, breakfast cereal is an im-portant source of fiber in their diets. Cereals also con-tain potassium, a mineral shown to be associated with maintaining a healthy blood pressure. An analysis of theamount of fiber (in grams) and the potassium content (inmilligrams) in servings of 77 breakfast cereals producedthe regression model Potassium = 38 + 27 Fiber. Ifyour cereal provides 9 grams of fiber per serving, howmuch potassium does the model estimate you will get?
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.
portant source of fiber in their diets. Cereals also con-
tain potassium, a mineral shown to be associated with
amount of fiber (in grams) and the potassium content (in
milligrams) in servings of 77 breakfast cereals produced
the regression model Potassium = 38 + 27 Fiber. If
your cereal provides 9 grams of fiber per serving, how
much potassium does the model estimate you will get?
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