Linear Regression and Correlation: CA Foundation Paper – 3 In the account and venture industries, correlation is a calculation that determines how closely two protections travel in relation to one another. Executives' cutting-edge portfolios make use of relationships, which are calculated as the correlation coefficient, which must have a value between –1.0 and +1.0. Correlation is a metric that determines how closely two variables shift in relation to one another. The correlation can be used to equate the performance of a stock to that of a benchmark index, such as the S&P 500. Correlation estimates affiliation but does not reveal whether x causes y or the other way around, or whether the affiliation is caused by a third–possibly insignificant–factor. If there is a substantial association between the two numeric variables, a correlation or basic study of linear regression may be used to determine this. A correlation analysis offers information on the strength and directio
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