Question

Suppose a straight line is fit to data having response variable y and explanatory variable x. Predicting values of y for values of x outside the range of the observed data is called

Answer 1

Extrapolation

Explanation:

Given

`x \to` Explanatory variable

`y \to` Response variable

Required

Predicting y outside range of x is called

This is referred to as extrapolation.

Take for instance, the range of x is: 1 - 9

You have extrapolated when, 10 is assumed to be the value of x and this value is entered in an equation to predict y.