Can someone please explain. like what are those letters under the numbers, is that what they equal? I'm just starting this today please help.

Can someone please explain like what are those letters under the numbers is that what they equal Im just starting this today please help class=

Respuesta :

Answer: R-squared (R2) is a statistical measure that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model. ... So, if the R2 of a model is 0.50, then approximately half of the observed variation can be explained by the model's inputs.

Answer:

Those are called subscripts, the little numbers on the bottom right.