AppliedNumeric answer
One influential observation · Part 2 of 3
For a regression with two fitted coefficients (including intercept), consider an observation with residual 2, mean squared error 4 and leverage 0.50. Use Cook distance , where .
A second observation has the same residual and MSE but leverage 0.20. What is its Cook distance? Give five decimal places.
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
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