5. Correlation analysis is used to determine the: (4 points) A. strengthoftherel

Question

5. Correlation analysis is used to determine the: (4 points) A. strengthoftherelationshipbetweenxandy. B. leastsquaresestimatesoftheregressionparameters. C. predictedvalueofyforagivenvalueofx. D. coefficientofdetermination. E. all of the above. 5. Correlation analysis is used to determine the: (4 points) A. strengthoftherelationshipbetweenxandy. B. leastsquaresestimatesoftheregressionparameters. C. predictedvalueofyforagivenvalueofx. D. coefficientofdetermination. E. all of the above. 5. Correlation analysis is used to determine the: (4 points) A. strengthoftherelationshipbetweenxandy. B. leastsquaresestimatesoftheregressionparameters. C. predictedvalueofyforagivenvalueofx. D. coefficientofdetermination. E. all of the above.

Explanation / Answer

ans)) Correlation analysis- It is used in statistics when we need to find strength between two numerically measured variables./parameters. Correlation coefficient ranges from -1 to +1 and it can be positive and negative as well. Any systematic changes occur in one variable will result in a systematic change in other if there is a correlation found.

Regression is used to predict the values for a given value of x and also to find least square estimates.

So the final answer is OPTION A- Strength of the relationship between x and y.

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