A customer service department wants to automatically route support tickets to the appropriate team (billing, technical, or account management) based on the ticket description text. Which problem type and data type combination is most appropriate?

Classification using text data with natural language processing

Regression using text data to predict resolution time

Forecasting using text data to predict ticket volume

Clustering using text data to discover ticket topics

Which of the following best describes the goal of a recommender system?

To find the best solution under constraints

To predict a continuous numerical outcome

To suggest items to users based on their preferences or behavior

To assign data to predefined categories

An e-commerce platform wants to recommend products to users based on their past purchases and browsing history. They have a large dataset of user-item interactions. Which modeling approach is most appropriate?

Recommender system using collaborative filtering on user-item interaction data

Classification to predict if a user will buy a product

Clustering to group users by purchase history

Regression to predict the number of items a user will buy

Which of the following best describes the goal of a segmentation or clustering problem?

To assign data to predefined categories

To group similar data points without predefined labels

To find the best solution under constraints

To predict a future value based on historical data

Which of the following is an example of structured data?

A spreadsheet containing customer IDs, names, and purchase dates

Audio recordings of customer service calls

A collection of product reviews in text form

CertNexusCertified Data Science Practitioner (CDSP)

Domain 1Objective 3

Objective 1.3 Classify a Question into a Known Data Science Problem CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 7)

Part of the 1.0 Defining the need to be addressed through the application of data science domain, which accounts for 7-9% of the CERTIFIED-DATA-SCIENCE-PRACTITIONER exam.

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Questions 31–35

31application · medium
A customer service department wants to automatically route support tickets to the appropriate team (billing, technical, or account management) based on the ticket description text. Which problem type and data type combination is most appropriate?
Select an answer first
32foundation · easy
Which of the following best describes the goal of a recommender system?
Select an answer first
33application · medium
An e-commerce platform wants to recommend products to users based on their past purchases and browsing history. They have a large dataset of user-item interactions. Which modeling approach is most appropriate?
Select an answer first
34foundation · easy
Which of the following best describes the goal of a segmentation or clustering problem?
Select an answer first
35foundation · easy
Which of the following is an example of structured data?
Select an answer first

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