Statistics for Data Science I (Stats 1) previous year papers
Quiz Space has 76 Stats 1 previous year papers from the IIT Madras BS Data Science programme — 8 Qualifier, 27 Quiz 1, 17 Quiz 2 and 24 End Term — from the May 2021 term to the May 2026 term. Every paper shows its questions with the answer key, and each can be taken as a timed mock test on the real exam screen. Free, no sign-up needed.
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- 13 Sept 2026
Stats 1 Qualifier PYQ
All 8 papers8 Stats 1 Qualifier papers from 2022–2025. The Qualifier exam is the entrance to the IIT Madras BS degree: it covers the first four weeks of the four qualifier courses.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| 13 Apr 2025 | January 2025 term | 14 | 40 | 120 min | Mock test |
| 16 Mar 2025 | January 2025 term | 17 | 40 | 120 min | Mock test |
| 22 Dec 2024 | September 2024 term | 16 | 40 | 120 min | Mock test |
| 1 Sept 2024 | May 2024 term | 14 | 40 | 120 min | Mock test |
| 24 Mar 2024 | January 2024 term | 14 | 40 | 120 min | Mock test |
| 16 Oct 2022 | September 2022 term | 13 | 36 | 120 min | Mock test |
| 7 Aug 2022 | May 2022 term | 17 | 50 | 120 min | Mock test |
| 10 Jul 2022 | May 2022 term | 15 | 50 | 120 min | Mock test |
Stats 1 Quiz 1 PYQ
All 27 papers27 Stats 1 Quiz 1 papers from 2021–2026. Quiz 1 is held at the end of week 4 of the term and covers the content of weeks 1–4.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| 19 Jul 2026 | May 2026 term | 18 | 43 | 120 min | Mock test |
| 15 Mar 2026 | January 2026 term | 18 | 42 | 120 min | Mock test |
| 26 Oct 2025 | September 2025 term | 15 | 40 | 120 min | Mock test |
| 13 Jul 2025 | May 2025 term | 14 | 40 | 120 min | Mock test |
| 23 Feb 2025 | January 2025 term | 17 | 40 | 120 min | Mock test |
| 27 Oct 2024 | September 2024 term | 14 | 40 | 120 min | Mock test |
| 7 Jul 2024 | May 2024 term | 18 | 40 | 120 min | Mock test |
| 25 Feb 2024 | January 2024 term | 14 | 40 | 120 min | Mock test |
Stats 1 Quiz 2 PYQ
All 17 papers17 Stats 1 Quiz 2 papers from 2021–2026. Quiz 2 is held at the end of week 8 and covers the content of weeks 1–8, with the weight on weeks 5–8.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| 16 Aug 2026 | May 2026 term | 13 | 40 | 120 min | Mock test |
| 12 Apr 2026 | January 2026 term | 16 | 42 | 120 min | Mock test |
| 23 Nov 2025 | September 2025 term | 15 | 40 | 120 min | Mock test |
| 3 Aug 2025 | May 2025 term | 15 | 40 | 120 min | Mock test |
| 16 Mar 2025 | January 2025 term | 15 | 40 | 120 min | Mock test |
| 1 Dec 2024 | September 2024 term | 14 | 40 | 120 min | Mock test |
| 4 Aug 2024 | May 2024 term | 15 | 40 | 120 min | Mock test |
| 24 Mar 2024 | January 2024 term | 18 | 40 | 120 min | Mock test |
Stats 1 End Term PYQ
All 24 papers24 Stats 1 End Term papers from 2021–2026. The End Term exam covers the whole course, all twelve weeks, in 1.5 hours per course.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| 13 Sept 2026 | May 2026 term | 15 | 37 | 180 min | Mock test |
| 10 May 2026 | January 2026 term | 16 | 42 | 180 min | Mock test |
| 21 Dec 2025 | September 2025 term | 16 | 42 | 180 min | Mock test |
| 31 Aug 2025 · Set QDF1 | May 2025 term | 15 | 40 | 180 min | Mock test |
| 31 Aug 2025 · Set QDF3 | May 2025 term | 15 | 40 | 180 min | Mock test |
| 13 Apr 2025 · Set QDD1 | January 2025 term | 18 | 40 | 180 min | Mock test |
| 13 Apr 2025 · Set QDD3 | January 2025 term | 17 | 40 | 180 min | Mock test |
| 22 Dec 2024 · Set QDF1 | September 2024 term | 17 | 50 | 180 min | Mock test |