equation of the line of least squares is given as ^y= -9.12+4.38x. How many bushels of wheat peen acre can be predicted if it’s is expected that there will be 30 inches of rain?
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.
In the area of Russia récords were kept on the relationship between the rain Fall in inches and the yield of wheat (bushels per acre ).the data for a 9 year period is as follow.
Rain fall x 13.1,11.4,16.0,15.1,21.4,12.9,9.6,18.2,18.6.
yield y : 48.5,44.2,56.8,80.4,47.2,29.9,74.0,74.0,76.8
the equation of the line of least squares is given as ^y= -9.12+4.38x. How many bushels of wheat peen acre can be predicted if it’s is expected that there will be 30 inches of rain?
In the area of Russia records were kept on the relationship between the rain fall in inches and the yield of wheat (bushels per acre), the data for a 9 year period is:
Rain fall x: 13.1, 11.4, 16.0, 15.1, 21.4, 12.9, 9.6, 18.2, 18.6.
Yield y: 48.5, 44.2, 56.8, 80.4, 47.2, 29.9, 74.0, 74.0, 76.8
The equation of the line of least squares is given as ŷ= -9.12+4.38x
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