Simple linear regression: model, meaning of model parameters, estimation, testing, goodness of fit, checking model assumptions

3 important questions on Simple linear regression: model, meaning of model parameters, estimation, testing, goodness of fit, checking model assumptions

What is the formula for the estimated line in linear regression?

The formula for the estimated line is

What means absolute t in r studio output?

Absolute t in r studio output indicates 2 tailed p-value

How is total variation around y split?

Zie afbeelding

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