Select all of the assumptions required when estimating a linear model and proceeding with hypothesis testing. There may be more than one correct answer. A. linearity B. must have > 30 observations C. no extreme skew or outliers D. 10+ expected successes and failures E. dependent observations F. independence (sample size < 10% of population + random sample) G. normally distributed residuals H. heteroskedasticity I. equal or constant variance J. observations should come from a symmetric distribution K. observations mus

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