UPSC Civil Services Main Exam 2021 Statistics Paper II PDF

Central Government Jobs Other Jobs 2021

  • Year 2021
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages English & Hindi

Exam Details

Detail Information
Examination UPSC Civil Services Main Exam
Year 2021
Conducting Body UPSC
Paper Statistics Paper II
Subject Statistics
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This document contains the Statistics Paper II for the UPSC Civil Services Main Examination held in 2021. The paper is designed to assess candidates' in-depth knowledge of statistical concepts and their application. It consists of a total of 8 questions divided into two sections, with candidates required to answer five questions in all. Questions 1 and 5 are compulsory, and at least one question must be attempted from each section. The paper carries a maximum of 250 marks and is to be completed within three hours. This question paper is a crucial resource for aspirants preparing for the UPSC Mains exam, providing insights into the examination's structure, difficulty level, and the types of questions asked.

Major Topics Covered

  • Sampling Plans
  • Operating Characteristics Curve
  • Assignment Problem
  • Game Theory
  • Markov Chains
  • Transition Probability Matrix

Why This Paper is Important

  • Useful for UPSC Civil Services Main Exam 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

  • UPSC Civil Services Main Exam 2021 Statistics Paper I
  • UPSC Civil Services Main Exam 2020 Statistics Paper II
  • UPSC Civil Services Main Exam 2021 General Studies Paper I
  • UPSC Civil Services Main Exam 2021 Essay Paper
  • UPSC Civil Services Main Exam 2021 Statistics Paper II Answer Key
  • UPSC Civil Services Main Exam Statistics Syllabus
  • UPSC Mains Exam Pattern
  • UPSC Statistics Optional Subject Syllabus

Instructions

  • पुस्तिका के मुखपृष्ठ पर अंकित निर्दिष्ट स्थान पर किया जाना चाहिए।
  • प्राधिकृत माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे ।
  • किसी प्रश्न का उत्तर देने के लिए जहाँ जरूरत हो, आँकड़े मान लीजिए तथा उसको स्पष्ट रूप से सूचित कीजिए ।
  • चार्ट ⁄ चित्र, जहाँ आवश्यक हो, प्रश्न के उत्तर देने की जगह पर ही अंकित किए जाएँ ।
  • प्रश्नों के उत्तरों की गणना क्रमानुसार की जाएगी।
  • यदि काटा नहीं हो, तो प्रश्न के उत्तर की गणना की जाएगी चाहे वह उत्तर अंशतः दिया गया हो ।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़ा हुआ पृष्ठ या उसके अंश को स्पष्ट रूप से काटा जाना चाहिए ।

  • There are EIGHT questions divided in TWO SECTIONS and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Question Nos. 1 and 5 are compulsory and out of the remaining, THREE are to be attempted choosing at least ONE question from each Section.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
  • No marks will be given for answers written in a medium other than the authorized one.
  • Wherever any assumptions are made for answering a question, they must be clearly indicated.
  • Charts/figures, wherever required, shall be drawn in the space provided for answering the question itself.
  • 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.

Questions (page 2)

Section A

Q1.

(a) एक उदाहरण की सहायता से, एकल प्रतिचयन आयोजना की व्याख्या कीजिए। एक प्रतिचयन आयोजना में संकारक अभिलक्षण वक्र के महत्त्व को भी लिखिए।
Explain Single Sampling Plan with the help of an example. Also, write the importance of an Operating Characteristics Curve in a sampling plan.

(b) निम्नलिखित नियतन समस्या को हल कीजिए:

डिपो
Depot
I II III IV V
A 160 130 175 190 200
B 135 120 130 160 175
शहर C 140 110 145 170 185
Town D 50 50 80 80 110
E 55 35 80 80 105
Solve the above assignment problem.

(c) बीजीय विधि का उपयोग करके निम्नलिखित खेल को हल कीजिए:
खिलाड़ी B
Player B
B1 B2 B3 B4
A1 0.25 0.20 0.14 0.30
खिलाड़ी A A2 0.27 0.16 0.12 0.14
Player A A3 0.35 0.08 0.15 0.19
A4 -0.02 0.08 0.13 0.00
Use algebraic method to solve the above game.

(d) संक्रमण प्रायिकता आव्यूह \beginpmatrix 0 & 1 & 2 \\ 0 & (0 & 1 & 0) \\ 1 & 1/2 & 0 & 1/2 \\ 2 & 0 & 1 & 0 \endpmatrix के साथ एक मार्कोव श्रृंखला पर विचार कीजिए। दर्शाइए कि अवस्थाएँ आवर्ती और सततावृत अनिराकरणीय हैं।
Consider the Markov Chain with transition probability matrix : \beginpmatrix 0 & 1 & 2 \\ 0 & (0 & 1 & 0) \\ 1 & 1/2 & 0 & 1/2 \\ 2 & 0 & 1 & 0 \endpmatrix Show that the states are periodic and persistent non-null.

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UPSC Civil Services Main Exam 2021 Statistics Paper II question paper page 1 scan PDF download showing exam header and instructions in Hindi and English.
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UPSC Civil Services Main Exam 2021 Statistics Paper II question paper page 1 scan PDF download showing exam header and instructions in Hindi and English.

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Frequently asked questions

What is the name of the exam?

The exam is the UPSC Civil Services Main Exam.

What year is this question paper from?

This question paper is from the year 2021.

Who conducts the Civil Services Main Exam?

The Civil Services Main Exam is conducted by the Union Public Service Commission (UPSC).

What is the subject of this paper?

This paper is for Statistics, specifically Paper II.

What is the maximum marks for Statistics Paper II?

The maximum marks for Statistics Paper II is 250.

What is the time allowed to complete Statistics Paper II?

The time allowed to complete Statistics Paper II is three hours.

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