The table below shows the expected years remainıng in a person's life given a person's curent age. a). Draw a scatter plot and trend line for the data b). Find the equation for the line of best fit for these data. c). Use the line of best fit to find the expect years of life remaining for a person whose current age is 70. d). Do you think your equation will work for any age? Explain. Current Age (years) 1 10 20 30 40 50 60 65 Expected years of life Remaining 75.2 71.3 66.4 56.7 47.3 38.1 29.2 20.9 17.3
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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