Question: Data is collected to estimate a model hypothesized to be y = betaO + beta 1 * x1 + beta2 * x2 + beta3 *

Data is collected to estimate a model hypothesized to be y = betaO + beta 1 * x1 + beta2 * x2 + beta3 * x1*x1 + beta4 * x2*x2 + beta5 * x1*X2 + E Here E is the random error term that is assumed to be normally distributed with mean=0 and constant variance. What are the model degrees of freedom for this model? Select one: O a. 5 Ob.3 O c.2 O d. 7 e. 6

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