Question: Each month for several months, the average temperature in C (x) and the amount of steam in kg (y) consumed by a certain chemical plant

Each month for several months, the average temperature in ◦C (x) and the amount of steam in kg (y) consumed by a certain chemical plant were measured.

The least-squares line computed from the resulting data is y = 245.82 + 1.13x.

a. Predict the amount of steam consumed in a month where the average temperature is 65◦C.

b. If two months differ in their average temperatures by 5◦C, by how much do you predict the amount of steam consumed to differ?

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