Q1. Consider the model
- (a) Y1 = β_1 + β_2 + e1
Y2 = β_1 + β_3 + e2
Y3 = β_1 + β_2 + e3
Then λ_1 β_1 + λ_2 β_2 + λ_3 β_3 is estimable if and only if
UPSC IES ISS 2018 Statistics Paper II Question Paper PDF
- Year 2018
- Conducted By UPSC
- Questions 80
- Maximum Marks 200
- Duration Two Hours
Exam Details
| Detail | Information |
|---|---|
| Examination | Indian Economic Service and Indian Statistical Service Examination |
| Year | 2018 |
| Conducting Body | UPSC |
| Paper | Statistics Paper-II |
| Subject | Statistics |
| Duration | Two Hours |
| Maximum Marks | 200 |
| Number of Questions | 80 |
| Question Type | Objective (MCQ) |
This is the Statistics Paper II question paper for the Indian Economic Service (IES) and Indian Statistical Service (ISS) Examination held in 2018 by UPSC. The paper is objective type, carrying a maximum of 200 marks and is to be completed within two hours. It contains 80 questions, with a penalty for wrong answers. This paper is crucial for aspirants aiming to qualify for the IES/ISS examinations, providing a realistic assessment of their knowledge in advanced statistical concepts and their application. This previous year Indian Economic Service and Indian Statistical Service Examination question paper (2018) is useful for Other Jobs aspirants preparing for Central government recruitment. The paper was conducted by UPSC and reflects the official exam pattern, marking scheme and difficulty level seen in recent cycles. Use it for timed practice, topic-wise revision and understanding how questions are framed in the real examination. Download the free PDF on QuizCurrent to read instructions, attempt MCQs and compare your answers with the study notes provided on this page. Key syllabus areas include Statistics, Econometrics, Matrix Algebra, Multicollinearity, Least Squares Method, G-inverse. Useful for Indian Economic Service and Indian Stati preparation. Helps understand the latest exam pattern. Useful for practice and self-assessment.
Major Topics Covered
- Statistics
- Econometrics
- Matrix Algebra
- Multicollinearity
- Least Squares Method
- G-inverse
Why This Paper is Important
- Useful for Indian Economic Service and Indian Stati 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 IES ISS 2017 Statistics Paper II
- UPSC IES ISS 2019 Statistics Paper II
- UPSC IES ISS 2018 Statistics Paper I
- UPSC IES ISS 2018 Statistics Paper II Answer Key
- UPSC IES ISS Statistics Syllabus
- UPSC Statistics Paper II Syllabus
- UPSC IES ISS Exam Pattern
- UPSC Statistics Paper II Exam Pattern
Instructions
- IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT THIS TEST BOOKLET DOES NOT HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS, ETC.
- IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
- Please note that it is the candidate's responsibility to encode and fill in the Roll Number and Test Booklet Series A, B, C or D carefully and without any omission or discrepancy at the appropriate places in the OMR Answer Sheet.
- Any omission/discrepancy will render the Answer Sheet liable for rejection.
- You have to enter your Roll Number on the Test Booklet in the Box provided alongside.
- DO NOT write anything else on the Test Booklet.
- This Test Booklet contains 80 items (questions).
- Each item comprises four responses (answers).
- You will select the response which you want to mark on the Answer Sheet.
- In case you feel that there is more than one correct response, mark the response which you consider the best.
- In any case, choose ONLY ONE response for each item.
- You have to mark all your responses ONLY on the separate Answer Sheet provided. See directions in the Answer Sheet.
- Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet, you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your Admission Certificate.
- After you have completed filling in all your responses on the Answer Sheet and the examination has concluded, you should hand over to the Invigilator only the Answer Sheet.
- You are permitted to take away with you the Test Booklet.
- Sheets for rough work are appended in the Test Booklet at the end.
- Penalty for wrong answers : THERE WILL BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE IN THE OBJECTIVE TYPE QUESTION PAPERS.
Questions (page 2)
Q2. Consider the model
- (a) yi = β_0 + β_1 xi + ei (i = 1, 2, 3)
where x1 = -1, x2 = 0 and x3 = 1.
The best linear unbiased estimate of β_0 and β_1 is - (a) ((y3 - y1)/(2), (y3 - y1)/(2))
- (b) ((y2 - y1)/(2), (y3 - y1)/(2))
- (c) (y1, (y2 - y1)/(2))
- (d) ((y1 + y2)/(2), \bary)
Q3. Consider the following statements :
- (2) The method of least squares is a statistical method.
- (a) 1 only
- (b) 2 only
- (c) Both 1 and 2
- (d) Neither 1 nor 2
Q4. Consider the following statements :
- (1) The g-inverse of a matrix, if it exists, is unique.
- (2) The problem of multicollinearity can be tackled by increasing sample size.
- (a) 1 only
- (b) 2 only
- (c) Both 1 and 2
- (d) Neither 1 nor 2
Question paper preview
Scanned pages 1–2 for reference. Download the official PDF for the full paper.
Free question paper download
Download question paper PDF
Your download starts in 10s
Preparing your question paper file…
Frequently asked questions
What is the name of the examination?
The examination is the Indian Economic Service and Indian Statistical Service Examination.
Which paper is this question paper for?
This is for Statistics Paper-II.
What is the year of this examination paper?
The year is 2018.
Who conducts the Indian Economic Service and Indian Statistical Service Examination?
The examination is conducted by UPSC (Union Public Service Commission).
What is the maximum marks for Statistics Paper-II?
The maximum marks for Statistics Paper-II is 200.
What is the time allowed for this paper?
The time allowed for this paper is Two Hours.