Question

Explain the concept of correlation .What is the basic difference between : I. Linear & non linear correlation II. Positive & Negative correlation

Answer 1

Answer:

1.The graph of a linear equation forms a straight line, whereas the graph for a non-linear relationship is curved. ... A non-linear relationship reflects that each unit change in the x variable will not always bring about the same change in the y variable.

2.In a negative correlation, the variables move in inverse, or opposite, directions. In other words, as one variable increases, the other variable decreases. When two variables have a positive correlation, it means the variables move in the same direction. This means that as one variable increases, so does the other one.

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Answer 2

Explanation:

Correlation is a term that is a measure of the strength of a linear relationship between two quantitative variables (e.g., height, weight). ... Whilst negative correlation is a relationship where one variable increases as the other decreases,