8.SP.2 - 2014(#55) The scatter plot shows the sizes and annual rents of some office spaces in the downtown area of a city. SIZE AND ANNUAL RENT OF OFFICE SPACE 140,000 105,000 70,000 35,000 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 Office Space (square feet) What would the line of best fit reveal about these data? A There is a strong negative relationship between the cost of rent and the size of the office space. B. There is a strong positive relationship between the cost of rent and the size of the office space. There is a weak positive relationship between the cost of rent and the size of the office space. There is a weak negative relationship between the cost of rent and the size of the office space. Rent (dollars)
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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