Question
Correlation
Answer :
Word Count : 258
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Correlation is a statistical measure that expresses the extent to which two variables are linearly related. In business mathematics and statistics, it is used to understand and quantify the relationship between different business factors, such as sales and advertising expenditure, production cost and output, or employee performance and training hours. The correlation coefficient, denoted by ( r ), ranges from -1 to +1. A positive correlation indicates that as one variable increases, the other also increases, whereas a negative correlation suggests that an increase in one variable leads to a decrease in the other. A correlation of zero implies no linear relationship between
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