Obliczanie i interpretowanie reszt

Zhang Lei creates and sells wreaths. On her website, she gives the diameter, in inches, and weight, in pounds, of each wreath. An approximate least-squares regression line was used to predict the weight from a given diameter.

Interpret the residual for the wreath indicated in the scatterplot above.

(Choice A)
This wreath weighs $2$ ‍ more pounds than predicted based on the diameter.
(Choice B)
This wreath weighs $2$ ‍ fewer pounds than predicted based on the diameter.
(Choice C)
This wreath has a diameter $2$ ‍ inches greater than predicted based on the weight.
(Choice D)
This wreath has a diameter $2$ ‍ inches less than predicted based on the weight.

Statystyka i prawdopodobieństwo

Kurs: Statystyka i prawdopodobieństwo > Rozdział 5

Zadanie