It is often stressful, overwhelming, and exhausting to prepare for examinations. One of the biggest challenges that students face is to maintain their level of motivation during their examination preparation journey. However, with the right mindset, it is easy to maintain motivation and do your best.

Discuss the impact of Information Technology in the Industrial Revolution of India.

Let XXX be a random variable with probability generating functionP(s)=∑kpkskP(s) = \sum_{k} p_k s^kP(s)=∑k​pk​sk. Find the probability generating function of Y=2XY = 2XY=2X.

Question Let XXX be a Poisson variate with parameter λ\lambdaλ such that P(X = 2) = 2P(X = 4) + 20P(X = 6) What is the coefficient of skewness? Options: (a) 1/√3(b) 1(c) 1/2(d) −1/√3

Question What are Western Disturbances and Westerlies, and how are they different from monsoons? In which part of India are they mainly confined? ISS PREVIOUS YEAR GS 2016 Q.NO. 2(b)

One of the most common questions students ask while preparing for government exams is: “How many hours should I study every day?” Many students feel that they need to study 12–14 hours daily to succeed. But the truth is a little different.

Let the random variable X have the distribution: P(X = 0) = P(X = 3) = p P(X = 1) = 1 − 3p P(X = 2) = p where 0 ≤ p ≤ 1/2 Find the maximum value of V(X).

Which of the following statements are correct about the generalized inverse of a matrix A? A generalized inverse of a matrix is defined as A A⁻ A = A A generalized inverse is not unique. A matrix to have a generalized inverse must be non-singular. A matrix to have a generalized inverse may be either a square matrix or a rectangular matrix. Select the correct answer using the code given below:

What is Polar Shifting? Discuss its geographic significance with regard to catastrophic consequences on humanity.

Government exams in India are highly competitive. Every year, lakhs of students apply for various exams such as banking, SSC, railways, teaching services, and statistical services. While many students work hard, only a small percentage achieve success.

ISS PREVIOUS YEAR 2016 PAPER-2 SOLUTION SET-A ISS PREVIOUS YEAR 2016 PAPER-2 SOLUTION SET-A  Random Effects Model Question (ISS Level)  Question Suppose b₁, b₂, b₃, …, bₙ are independent N(0, σ²) random variables and eᵢⱼ are independent N(0, τ²) random variables for i = 1, 2, 3, …, k and j = 1, 2, 3, …, n. Suppose we observe only: Xᵢⱼ = bᵢ + eᵢⱼ for i = 1, 2, 3, …, k and j = 1, 2, 3, …, n. Then which of the following assertions are true? Var(Xᵢⱼ) = σ² + τ² for all i, j Cov(Xᵢ

It is absolutely possible to crack the competitive exam in the first attempt with the proper strategy, hard work, and guidance. The proper understanding of the syllabus, concepts, and proper discipline are the major factors of success.

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

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?

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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?

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.

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)

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?”

The division of India into provinces and the evolution of a system of provincial administration by Akbar was an effective system of governance. Comment.