Question: 1.5 Supposey ou are estimatinga simple linear regressionm odel. (a) If you multiply all the x values by 10, but not they values, what happens

1.5 Supposey ou are estimatinga simple linear regressionm odel.

(a) If you multiply all the x values by 10, but not they values, what happens to the parameterv aluesB 1 and B2?w hat happensto the leasts quarese stimatesb 1a nd b2? What happens to the variance of the error term?

(b) Suppose you are estimating a simple linear regression model. If you multiply all they valuesb y 10,b ut not the.r values.w hat happensto the parameterv aluesB 1 and B2? What happens to the least squares estimates bl and b2? What happens to the variance of the error term?

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