Microsoft Azure AI Fundamentals (AI-900) Practice Exam

Can predicting allergy symptoms severity based on pollen count be considered clustering?

1. Yes

2. No

3. Only under certain conditions

4. Not enough information

The correct answer is: No

Predicting allergy symptom severity based on pollen count does not fall under the category of clustering. Clustering is a type of unsupervised machine learning technique that groups data points based on similarities without predefined labels. It identifies natural groupings in data, such as segmenting customers into different purchasing behaviors or categorizing documents by topics based on their content. In contrast, predicting allergy symptom severity is a supervised learning task where the system learns to associate input data—in this case, pollen counts—with a specific output, the severity of allergy symptoms. This implies that there is a target variable (symptom severity) involved, which is characteristic of regression or classification problems, rather than clustering. Thus, the task outlined is focused on making predictions based on known relationships rather than finding inherent groupings in a dataset.