Suppose that n= 195 LL.d. observations for (Y, X) yleld the following regression results: Y= 32.68 + 67.55x, SER 16.63, R -0.84 (15.7) (12.5) enters the data into the regression: He enters each observation twice, so he has 390 observations (with observation 1 entered twice, observaftion 2 entered Another researcher is interested in the same regression, but he makes twice, and so forth). error when Which of the following estimated parameters change as result? (Check all that apply) A The estimated intercept and slope. DB. The R of the regression. c. The standard error of the regression (SER). D. The standard errors of the estimated coefficients. Using the 390 observations, what results will be produced by his regression program? Ý- 32.68 + 67.55X, SER =.R = 0.84 (Round your responses to two docimal places)

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