Virtual Labs

What is the primary purpose of R- Squered in regression analysis?

a: To determine the no. of datapoints Explanation

Explanation

b: To measure the proportion of varience explained by the model Explanation

Explanation

c: To calculate the slope of the regression line Explanation

Explanation

d: To indetify outliers in the dataset Explanation

Explanation

In weighted least squared regression, what does assigning different weights to data points typically indicate?

a: The complexity of the mathematical calculation Explanation

Explanation

b: The relative importance or reliability of each data ponit Explanation

Explanation

c: The total no. of observation Explanation

Explanation

d: The degree of polynomial regression Explanation

Explanation