maria gathered the data in the table. she finds the line of best fit to be y = 2.78x - 4.4. what is the…

maria gathered the data in the table. she finds the line of best fit to be y = 2.78x - 4.4. what is the residual value when x = 4? -6.72 -0.58 0.58 6.72\n| x | y |\n|----|----|\n| 1 | -2 |\n| 2 | 1.3 |\n| 3 | 4.2 |\n| 4 | 7.3 |\n| 5 | 8.9 |

maria gathered the data in the table. she finds the line of best fit to be y = 2.78x - 4.4. what is the residual value when x = 4? -6.72 -0.58 0.58 6.72\n| x | y |\n|----|----|\n| 1 | -2 |\n| 2 | 1.3 |\n| 3 | 4.2 |\n| 4 | 7.3 |\n| 5 | 8.9 |

Answer

Explanation:

Step1: Calculate predicted value at x=4

$$2.78 \times 4 - 4.4 = 11.12 - 4.4 = 6.72$$

Step2: Subtract predicted value from actual value

$$7.3 - 6.72 = 0.58$$

Answer:

C. 0.58