T-test in regression: idea behind it, and interpretation

youtube 06.09.2017

0:25 understanding the t-test for testing individual significance 3:40 Why test the significance of slope coefficient in simple linear regression? 7:31 Why test the significance of slope coefficient in multiple linear regression? 8:58 Why not test the significance of the intercept?

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T-test in regression: idea behind it, and interpretation

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