Which metric is not used for evaluating classification models?

Classification is

Which of the following metrics are used to evaluate classification models?

Suppose you have to predict the salary of employees from their experience. This is a

Regression is a

What does k stand for in the KNN algorithm?

The true positive value is 10 and the false positive value is 15. Calculate the value of precision

If the actual value of a data point is 50 and the predicted value is 55, what will be the Mean Absolute Error(MAE)

What is the most widely used distance metric in KNN?

In simple linear regression, if you change the input value by 1 then output value will be changed by: