SSC CGL 2020 (Tier-2) Statistics Previous Year Paper 3 (28-Jan-2022); Download PDF

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SSC CGL 2020 Tier-II exam, held on 28-January-2022, consists of 100 questions designed to assess candidates' general intelligence, quantitative aptitude, English language skills, and general awareness. The paper covers various sections, including reasoning, mathematics, English comprehension, and general knowledge, testing candidates' ability to solve problems quickly and accurately. The Tier-I exam is a qualifying round, crucial for shortlisting candidates for the subsequent Tier-II exam.

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SSC CGL 2020 (Tier-2) Statistics Previous Year Paper 3 (28-Jan-2022)

120 Minutes

100 Questions

200 Marks

English, Hindi

Showing 1 - 5 of 100 questions

Page 1 of 20

Q1.

If Q3 - Q2 > Q2 - Q1, the value of Bowley's coefficient of skewness is:

Can't be dertermined

negative

zero

positive

Q2.

Rohit wants to check his IQ with an MCQ test. The test has five questions with one correct answer. Each question has three options. If he just randomly guesses the answer to each question, what is the probability that he will get exactly three questions correct?

0.465

0.265

0.365

0.165

Q3.

For the uniformly distributed random variable X with a = 0 and b = θ, the value of the ratio of raw moments (μ'₃/μ'₄) is.

4θ / 5

5 / 4θ

4 / 5θ

5θ / 4

Q4.

If n₁ = 10, n₂ = 5 are the sizes of a male and female student group with mean ages x̄₁ = 10, x̄₂ = 4, respectively, with an equal standard deviation σ₁ = σ₂ = 1, the standard deviation of the combined series with size n₁ + n₂ and combined mean x̄ = 8 is equal to:

√3

135

Q5.

For the given distribution of female weight in a colony, the quartiles are 60.1, 61.3, 62.6. The value of Bowley's coefficient of skewness is:

0.04

0.02

0.01

0.03

⋯

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