Multiple regression with three explanatory variables , Econometrics

For a multiple regression with three explanatory variables the value of R2 is 0.75.

Indicate whether every of the following statements is true or false and give brief reasons for your answer:

(i)    The three explanatory variables each describe 25% of the variation in the dependent variable.

(ii)    If R2 = 0.75 then three quarters of the data is perfectly described by the model.

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