monkeystarsgalv monkeystarsgalv

24-05-2018
Mathematics

contestada

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?

Respuesta :

kristak0730 kristak0730

24-05-2018

Y=2.78(4)-4.4
Y=11.12-4.4
Y=6.72

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28-06-2018

The correct answer would be C.0.58

You plug 4 into the line of best fit and get 6.72. This is your predicted value, but the residual is the difference between the actual value and predicted. So you subtract: 7.3-6.72=0.58.

Answer Link

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