Indian Economic Service - Indian Statistical Service Examination 2025 — IV Question Paper PDF Download

Central Government Jobs Other Jobs 2025

  • Year 2025
  • Conducted By UPSC
  • Maximum Marks 200
  • Duration Three Hours Question Paper Specific Instructions Please Read Each Of The Following Instructions Carefully Before Attempting Questions There Are Fourteen Questions Divided Under Seven Sections. Candidate Has To Choose Any Two Sections And Attempt The Questions Therein. All The Sections Carry Equal Marks. Candidate Has To Write Answers At The Specified Space Given For Attempting First Choice Section And Second Choice Section. The Number Of Marks Carried By A Question/part Is Indicated Against It. Wherever Any Assumptions Are Made For Answering A Question, They Must Be Clearly Indicated. Diagrams/figures, Wherever Required, Shall Be Drawn In The Space Provided For Answering The Question Itself. Graph Sheets, Normal Area Table And F Table Can Be Found At The End Of Both Choices Of Sections In The Booklet. Unless Otherwise Mentioned, Symbols And Notations Have Their Usual Standard Meanings. Attempts Of Questions Shall Be Counted In Sequential Order. Unless Struck Off, Attempt Of A Question Shall Be Counted Even If Attempted Partly. Any Page Or Portion Of The Page Left Blank In The Question-cum-answer Booklet Must Be Clearly Struck Off. Answers Must Be Written In

Exam Details

Detail Information
Examination Indian Economic Service - Indian Statistical Service Examination
Year 2025
Conducting Body UPSC
Paper Statistics Paper - IV
Subject IV
Duration Three Hours Question Paper Specific Instructions Please Read Each Of The Following Instructions Carefully Before Attempting Questions There Are Fourteen Questions Divided Under Seven Sections. Candidate Has To Choose Any Two Sections And Attempt The Questions Therein. All The Sections Carry Equal Marks. Candidate Has To Write Answers At The Specified Space Given For Attempting First Choice Section And Second Choice Section. The Number Of Marks Carried By A Question/part Is Indicated Against It. Wherever Any Assumptions Are Made For Answering A Question, They Must Be Clearly Indicated. Diagrams/figures, Wherever Required, Shall Be Drawn In The Space Provided For Answering The Question Itself. Graph Sheets, Normal Area Table And F Table Can Be Found At The End Of Both Choices Of Sections In The Booklet. Unless Otherwise Mentioned, Symbols And Notations Have Their Usual Standard Meanings. Attempts Of Questions Shall Be Counted In Sequential Order. Unless Struck Off, Attempt Of A Question Shall Be Counted Even If Attempted Partly. Any Page Or Portion Of The Page Left Blank In The Question-cum-answer Booklet Must Be Clearly Struck Off. Answers Must Be Written In
Maximum Marks 200

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Major Topics Covered

  • Indian Economic Service - Indian Statistical Service Examination
  • Statistics Paper - IV
  • UPSC
  • 2025 question paper
  • previous year paper
  • PDF download

Why This Paper is Important

  • Useful for Indian Economic Service - Indian Statist preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

Instructions

  • There are FOURTEEN questions divided under SEVEN Sections.
  • Candidate has to choose any TWO Sections and attempt the questions therein.
  • Candidate has to write answers at the specified space given for attempting First Choice Section and Second Choice Section.
  • The number of marks carried by a question/part is indicated against it.
  • Wherever any assumptions are made for answering a question, they must be clearly indicated.
  • Diagrams/Figures, wherever required, shall be drawn in the space provided for answering the question itself.
  • Graph sheets, Normal Area Table and F Table can be found at the end of both choices of Sections in the Booklet.
  • Unless otherwise mentioned, symbols and notations have their usual standard meanings.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.
  • Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.
  • Answers must be written in ENGLISH only.

Questions (page 2)

Q1. Answer all of the following : 10× 5 = 50 Data scientists in the data analytics section of a multinational company are (a) expected to increase to a strength of 30 and then remain at that level. The attrition of recruits depends on their length of service and it is as follows : Year Total percent who left up to the end of year \mathbf{1} 10 2 38 3 60 4 72 5 90 6 100 (i) Determine the number of data scientists to be recruited every year. (ii) If there are four posts of team leaders for which length of service is the only criterion of promotion, what will be the average length of service after which a new entrant should expect promotion?

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