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How to Prepare for ISS Exam: Complete Guide for Serious Aspirants | Sunrise Classes
If you are really interested in making your career in statistics and serving your nation, then proper guidance can definitely do wonders for you. Here in this article, we will discuss how you can prepare for your ISS exam in an effective way and how Sunrise Classes in Delhi can help you achieve your dream
Shivani Rana
Mar 263 min read


ISS PREVIOUS YEAR 2016 PAPER-1 SET-A Q.no.- 6
A Poisson random variable X has mean equal to 1/2.
Let Y = 2X. Consider the following:
E(Y) = 1
Var(Y) = 4
μ3(Y) = 4
μ4(Y) = 28
Which of the above is/are correct?
SWETA
Mar 231 min read


ISS PREVIOUS YEAR GS 2016 Q.NO. 5
ISS PREVIOUS YEAR GS 2016 Q.NO. 5 What does Yoga represent in Indian philosophical tradition? Is it the same as that practised by the masses in the present day?
SWETA
Mar 201 min read


ISS PREVIOUS YEAR 2016 PAPER-2 SOLUTION SET-A Q.NO. 5
In the Gauss-Markov linear model, letŷ denote the vector of fitted values andê denote the vector of residuals.
Consider the following statements:
The components of ŷ are pairwise uncorrelated.
The components of ê are pairwise uncorrelated.
SWETA
Mar 202 min read
![For the distribution: f(x) = [1 / B(p, q)] × [x^(p − 1) / (1 + x)^(p + q)],where 0 < x < ∞, p > 0, q > 0, find the harmonic mean. Options: (a) p / (p + q) (b) 1 / p (c) (p − 1) / q (d) (p + 1) / (q − 1)](https://static.wixstatic.com/media/8ffd4d_929597f8730a4e7fb508b389d8141e98~mv2.jpg/v1/fill/w_293,h_250,fp_0.50_0.50,q_30,blur_30,enc_avif,quality_auto/8ffd4d_929597f8730a4e7fb508b389d8141e98~mv2.webp)
![For the distribution: f(x) = [1 / B(p, q)] × [x^(p − 1) / (1 + x)^(p + q)],where 0 < x < ∞, p > 0, q > 0, find the harmonic mean. Options: (a) p / (p + q) (b) 1 / p (c) (p − 1) / q (d) (p + 1) / (q − 1)](https://static.wixstatic.com/media/8ffd4d_929597f8730a4e7fb508b389d8141e98~mv2.jpg/v1/fill/w_400,h_341,fp_0.50_0.50,q_90,enc_avif,quality_auto/8ffd4d_929597f8730a4e7fb508b389d8141e98~mv2.webp)
ISS PREVIOUS YEAR 2016 PAPER-1 SET-A Q.no.- 5
For the distribution:
f(x) = [1 / B(p, q)] × [x^(p − 1) / (1 + x)^(p + q)],where 0 < x < ∞, p > 0, q > 0,
find the harmonic mean.
Options:
(a) p / (p + q) (b) 1 / p (c) (p − 1) / q (d) (p + 1) / (q − 1)
SWETA
Mar 202 min read


DAILY STUDY PLAN FOR ISS ASPIRANTS (2026 STRATEGY)
The Indian Statistical Service (ISS) exam is a highly specialized and competitive examination that demands strong conceptual clarity and consistent practice. Many aspirants often ask:
“How should I study daily?”
“What routine should I follow to crack ISS?”
Sunrise Classes
Mar 192 min read


ISS PREVIOUS YEAR GS 2016 Q.NO.3
The division of India into provinces and the evolution of a system of provincial administration by Akbar was an effective system of governance. Comment.
Sunrise Classes
Mar 182 min read


ISS PREVIOUS YEAR PAPER-2 2016 SOLUTION Q.NO. 4
ISS PREVIOUS YEAR PAPER-1 2016 SOLUTION. The following data pertain to a test involving analysis of variance:
Estimate of population variance based on variance among the sample means = 18.50. Estimate of the population variance based on the variance within the samples = 12.50
The F-ratio for the sample is equal to:
Options:(a) 0.68(b) 1.48(c) 6.00(d) 31.00
SWETA
Mar 181 min read


ISS PREVIOUS YEAR PAPER-1 2016 SOLUTION Q.NO. 4
X₁ and X₂ are independent Poisson random variables such that:
P(X₁ = 2) = P(X₁ = 1)P(X₂ = 2) = P(X₂ = 3)
Find the variance of (X₁ − 2X₂).
SWETA
Mar 181 min read


ISS PREVIOUS YEAR 2016 PAPER-2 Q.NO.3 SOLUTION
A certain task can be accomplished in a factory by four different workers on five different types of machines. A sample study in context of a two-way design without repeated value is being made with two fold objectives of examining whether the four workers differ with respect to mean productivity and whether it is same for five machines. The researcher involved in this study reports gathered data as under :
Sum of squares for variance between machines = 35.2
Sum of squares
Sunrise Classes
Mar 172 min read


ISS PREVIOUS YEAR PAPER-1 2016 SOLUTION Q.NO. 3
If in 6 trials, X is a binomial variate which follows the relation
9 P(X = 4) = P(X = 2)
then what is the probability of success?
Options:(a) 1/8 (b) 1/4 (c) 3/8 (d) 3
SWETA
Mar 171 min read


(Indian Statistical Service) ISS PREVIOUS YEAR QUESTION PAPERS
(Indian Statistical Service) ISS PREVIOUS YEAR QUESTION PAPERS
Indian Statistical Service (ISS) Previous Year Question Papers & Answer Keys – Year-
Sunrise Classes
Mar 162 min read


INDIAN STATISTICAL SERVICE(ISS) SYLLABUS
INDIAN STATISTICAL SERVICE(ISS) SYLLABUS
Sunrise Classes
Mar 1610 min read


Sunrise Classes ISS exam study materials availability?
Yes. Study materials for the ISS exam are available through Sunrise Classes, and they are provided to students enrolled in their coaching programs (offline, live online, or recorded courses). Here’s what the institute generally provides.
Sunrise Classes
Mar 162 min read


Sunrise Classes ISS Coaching Fees
ISS coaching fees at Sunrise Classes vary depending on the type of course (offline, live online, or recorded classes). Here is the approximate fee structure based on information from the institute’s official course pages.
Sunrise Classes
Mar 161 min read


Discuss the role of intellectuals in giving shape to the nationalism in India during the freedom struggle.
Discuss the role of intellectuals in giving shape to the nationalism in India during the freedom struggle.
SWETA
Mar 162 min read


ISS Previous year 2016 paper-02 Q. No. 2 Solution
Let y = (y1, y2, …, yn)' be the vector of these variables.
Suppose y' A y is a quadratic form where A is an idempotent matrix.
What will be the distribution of y' A y?
SWETA
Mar 162 min read


ISS Previous year 2016 paper-01 Q. No. 2 Solution
Let X have a Bernoulli distribution with mean 0.4. What is the variance of (2X − 3)?
Options:
(a) 0.24(b) 0.48(c) 0.60(d) 0.96
SWETA
Mar 161 min read


How to prepare for INDIAN STATISTCAL SERVICE(ISS) interview in Delhi?
Sunrise Classes is highly regarded for its interview preparation, primarily because they treat the Viva-Voce (200 marks) as a distinct technical and psychological challenge rather than just a formal conversation.
Sunrise Classes
Mar 162 min read


ISS exam preparation courses near me in Delhi
Sunrise Classes (Laxmi Nagar)
This is one of the most dedicated institutes specifically for ISS and RBI DSIM aspirants.
SWETA
Mar 162 min read
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