Position Distance from Sun Planet Number (million miles) Mercury 1 36 Venus 2 67 Earth 3 93 Mars 4 142 Jupiter 5 484 Saturn 6 887 Uranus 7 1784 Neptune 8 2796 Pluto 9 3666
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.
national Astronomical Union voted that Pluto is not a
to accept that decision. Let’s look at some of the data.
(We’ll see more in the next chapter.) Is there any pattern
age distance of each of the traditional nine planets from
(Remember: direction, form, and strength!)
b) Why would you not want to talk about the correlation
between a planet’s Position and Distance from the
sun?
c) Make a scatterplot showing the logarithm of
Distance vs. Position. What is better about this
scatterplot?
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