Business Analytics - Quiz 3

What is the primary objective of predictive analytics?

• Anticipate future scenarios

• Describe quantitative relationships

• Summarize past data

• Prescribe actions to the different business departments

Which type of analytics provides recommendations based on data analysis?

• Descriptive analytics

• Diagnostic analytics

• Prescriptive analytics

• Predictive analytics

Which of the following best describes the relationship between Artificial Intelligence and Machine Learning?

• AI is a subset of ML

• ML is a subset of AI

• AI and ML are unrelated fields

• AI and ML are identical

Which is NOT a phase in an advanced analytics project?

• Business understanding

• Marketing strategy

• Data preparation

• Deployment

Which of the following is NOT a type of ML algorithm?

• Supervised learning

• Unsupervised learning

• Reinforcement learning

• Manual learning

Supervised learning algorithms require:

• 1. Input data and a target feature that represents the outcome that should be predicted

• 1. Unlabeled data

• 1. No data

• 1. Random features

K-Nearest Neighbors (KNN) is an example of:

• Unsupervised learning algorithm

• Supervised learning algorithm

• Reinforcement learning algorithm

• Neural Network

What does a confusion matrix help evaluate?

• The performance of regression models

• The performance of clustering models

• The performance of classification models

• Association rules

Which of the following is an evaluation metric for regression models?

• Accuracy

• Mean Squared Error

• Recall

• Precision

Overfitting occurs when a model:

• Performs well on training data but poorly on new data

• Performs poorly on both training and test data

• Uses too few features

• Performs well on new data