Question: A regression model is used to relate a response to k = 4 regressors with n = 20. What is the smallest value of R

A regression model is used to relate a response to k = 4 regressors with n = 20. What is the smallest value of R² that will result in a significant regression if α = 0.05? Use the results of the previous exercise. Are you surprised by how small the value of R² is?

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