In questions that does not use R, answer exact numbers, not approximated numbers. For questions using...

  

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In questions that does not use R, answer exact numbers, not approximated numbers. For questions using R, since R itself very often gives us approximated numbers, the approximated numbers are, to some degree, OK. In all questions below, assume necessarily MLR assumptions. 2.b. Answer se(B1). 2.c. You want to know if x₂ is irrelevant to y. If x is irrelevant to y, what is the value of B₂? 3. Use the dataset attend and check its explanation. Consider the model below. final Bo + Brattend + BapriGPA + B3ACT + u You need to calculate the variance inflation factor (VIF). Check the definition. 3.a. Answer VIF attend 3.b. Answer VIF priGPA In questions that does not use R, answer exact numbers, not approximated numbers. For questions using R, since R itself very often gives us approximated numbers, the approximated numbers are, to some degree, OK. In all questions below, assume necessarily MLR assumptions. 2.b. Answer se(B1). 2.c. You want to know if x₂ is irrelevant to y. If x is irrelevant to y, what is the value of B₂? 3. Use the dataset attend and check its explanation. Consider the model below. final Bo + Brattend + BapriGPA + B3ACT + u You need to calculate the variance inflation factor (VIF). Check the definition. 3.a. Answer VIF attend 3.b. Answer VIF priGPA

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2b The standard error se of B1 can be calculated by taking the square root o... View the full answer