Given are five observations collected in a regression study on two variables. xi 2 6 9...

Given are five observations collected in a regression study on two variables.

x_i	2	6	9	13	20
y_i	7	18	8	26	21

(a)

Develop the estimated regression equation for these data.

ŷ =

Use the estimated regression equation to predict the value of y when

x = 20.

Solutions

Expert Solution

The statistical software output for this problem is :

(a)

y hat = 8 + 0.8 x

Predicted value = 8 + 0.8 * 20 = 24

orchestra answered 1 year ago

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