Roger, an account analyts made a regression analysis between sales (in P1000) and price (in pesos) resulted in the following equation: y = 50,000 - 9X The above equation implies that an The above equation implies that an A. increase of P1 in price is associated with a decrease of P41,000 in sales B. increase of P1 in price is associated with a decrease of P9 in sales C. increase of P9 in price is associated with an increase of P9,000 in sales D. increase of P1 in price is associated with a decrease of P9000 in 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.
Roger, an account analyts made a
y = 50,000 - 9X
The above equation implies that an
The above equation implies that an
A. increase of P1 in price is associated with a decrease of P41,000 in sales
B. increase of P1 in price is associated with a decrease of P9 in sales
C. increase of P9 in price is associated with an increase of P9,000 in sales
D. increase of P1 in price is associated with a decrease of P9000 in sales
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