TEST

Logistic regression is mainly used for classification.

• TRUE

• FALSE

Which of the following evaluation metrics CANNOT be applied in case of logistic regression output to compare with target?

• AUC-ROC

• Accuracy

• Logloss

• Mean squared error

Given this confusion matrix, calculate the Overall Accuracy of the model? Leave your answer to 3 decimal points.

Standardisation of features must be performed before training a logistic regression.

• TRUE

• FALSE

Words or phrases that describe logistic regression.

• binary

• non-linear activation function

• outputs are -1 and 1

From the lecture notes, compute the odds ratio of churning for customers with One Year Contracts compared to customers without one. Leave your answer to 3 decimal points.

In the lecture notes, the logistic regression model predicts the rate of churn.

• TRUE

• FALSE

Logistic regression is an unsupervised machine learning algorithm.

• TRUE

• FALSE

Given this confusion matrix, calculate the Specificity of the model? Leave your answer to 3 decimal points.

What is odds ratio?

• The ratio of churn.

• The coefficients of the variables.

• The ratio of the probability of success to the probability of failure.

• The exponential of the coefficients of the variables.