:O)? They are multiple choice but more than the answer I need to know how to do them. Thank you
1). The following results were obtained from a simple linear regression analysis. Total sum of square = 5.7640. Explained sum of squares = 5.5415. Unexplained sum of squares = 0.2225. The coefficient of determination is ____
a. 0.0402 b. 0.0386
c. 0.9805 d. 0.9614
2). The following results were obtained as part of a simple linear correlation analysis: Y = 97.98 – 4.33x regression sum of squares = 2680. 27. Error sum of squares = 125.40. Total sum of squares = 2805.67. The sample correlation coefficient is ____
a. -0.9774 b. 0.9553
c. 0.2114 d. 0.0447
3). The following equation describes the relationship between output and labor input at a sample of work stations in a manufacturing plant: = 2.35 + 2.20x. Suppose, for a selected work station, the labor input is 5. The predicted output is _____________.
a. 4.55 b. 2.35
c. 2.20 d. 13.35
1). The following results were obtained from a simple linear regression analysis. Total sum of square = 5.7640. Explained sum of squares = 5.5415. Unexplained sum of squares = 0.2225. The coefficient of determination is ____
a. 0.0402 b. 0.0386
c. 0.9805 d. 0.9614
2). The following results were obtained as part of a simple linear correlation analysis: Y = 97.98 – 4.33x regression sum of squares = 2680. 27. Error sum of squares = 125.40. Total sum of squares = 2805.67. The sample correlation coefficient is ____
a. -0.9774 b. 0.9553
c. 0.2114 d. 0.0447
3). The following equation describes the relationship between output and labor input at a sample of work stations in a manufacturing plant: = 2.35 + 2.20x. Suppose, for a selected work station, the labor input is 5. The predicted output is _____________.
a. 4.55 b. 2.35
c. 2.20 d. 13.35