The scatterplot below compares the number of bags of popcorn and the number of sodas sold at each performance of the circus over one week. Popcorn Sales and Soda Sales 500 450 400 350 300 250 200 150 Popcorn Sales Which conclusion can be drawn from the scatterplot? o There is a negative correlation between popcorn sales and soda sales. o Buying popcorn causes people to buy soda. o There is a positive correlation between popcorn sales and soda sales. o There is no correlation between popcorn sales and soda sales. Soda Sales
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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