UPSC ISS Statistics Answer Key 2026 Released

About This Answer Key

The UPSC ISS Statistics Answer Key 2026 is a provisional key released for the Statistics papers of the Indian Statistical Service Examination. A provisional key helps candidates compare the official answer options with their attempted answers before the final evaluation stage. The uploaded key pages show separate answer keys for Series A, Series B, Series C and Series D.

The provided answer key PDFs cover Statistics Paper I and Statistics Paper II. Each paper shows 80 total questions, 0 questions dropped and 80 questions taken for scoring. This means candidates should carefully check the correct paper and correct series before comparing their answers.

Response sheet or objection window details are not mentioned in the provided provisional answer key files. If UPSC provides any representation, challenge or response sheet facility, candidates should follow only the official UPSC notice and submit details within the prescribed time limit.

Answer Key Snapshot

Important Dates

How to Download UPSC ISS Answer Key

1. Visit the official UPSC website at upsc.gov.in.
2. Open the Examination or Answer Key section from the official website menu.
3. Search for the Indian Statistical Service Examination 2026 provisional answer key.
4. Select the correct Statistics paper such as Paper I or Paper II.
5. Match your booklet series with Series A, B, C or D before checking answers.
6. Download or save the PDF for personal analysis and future reference.

How to Raise Objection

1. First check whether UPSC has provided any official objection or representation facility for this answer key.
2. If an objection link is available, open it only through the official UPSC website or official notice.
3. Login with the required candidate details if the official portal asks for authentication.
4. Select the correct paper, question number and answer option that you want to challenge.
5. Upload valid proof or reference material only if the official instructions require it.
6. Pay the objection fee only if UPSC has prescribed a fee in the official notice.
7. Submit the objection before the official deadline. Late objections may not be accepted.

The provided provisional answer key PDFs do not mention objection fee, objection link or deadline. Candidates should follow only the official UPSC instructions if a challenge facility is available.

How to Calculate Expected Marks

The provided provisional key shows that Statistics Paper I and Statistics Paper II each have 80 total questions and maximum marks of 200. It also shows that 0 questions are dropped and 80 questions are taken for scoring in both papers.

Before calculating expected marks, candidates should verify the complete official exam scheme, marking rule and negative marking rule from the UPSC notification or official instructions. Do not calculate final expected marks only by assuming equal marks per question unless the official scheme confirms the same.

• Choose the correct paper: Statistics Paper I or Statistics Paper II.
• Choose the correct series: A, B, C or D.
• Compare your attempted answers with the provisional key.
• Check the official exam scheme before adding marks or applying negative marking.
• Treat the score as a self-analysis estimate only, not as the final result.

Important Instructions

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