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DSE Data Science Certification Practice Exam
DSE — This exam mirrors the format and difficulty of professional data science certification exams (such as the IBM Certified Data Scientist, SAS Certified Data Scientist, and Microsoft DP-100), covering statistics, machine learning, data engineering, model evaluation, and applied data science — no single universally standardized 'DSE' body exam exists, so this is an original comprehensive practice set at professional certification difficulty.
51
Questions
120m
Time Limit
70.00%
To Pass
Question 1 of 51👑 VIP
A data scientist is analyzing a dataset with 10,000 records and notices that the target variable is distributed 95% negative and 5% positive. She trains a logistic regression model that achieves 95% accuracy on the test set. A colleague claims this is excellent performance. What is the most significant concern with this conclusion?
Questions 2–51 and full explanations are VIP-exclusive.