Question

If the sample regression equation is found to be yˆ = 10 + 2x, what is the estimated value of Y if x = 5?

Answer 1

The sample regression y = 10 + 2x is a linear regression equation

The estimated value of y if x = 5 is 20

How to estimate the value of y?

The sample regression equation is given as:

y = 10 + 2x

When x = 5, the equation becomes

y = 10 + 2 * 5

Evaluate the product

y = 10 + 10

Evaluate the sum

y = 20

Hence, the estimated value of y if x = 5 is 20

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