Question: The following information regarding a dependent variable y and an independent variable x is provided: x = 90 ( y - )( x - )

The following information regarding a dependent variable y and an independent variable x is provided:

x = 90

(y - )(x - ) = -156

y = 340

(x - )2 = 234

n = ???

(y - )2 = 1974

SSR = 104

The mean square error (MSE) is

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