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Statistics — JEE Practice

15 practice questions across 1 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.

1 Topics15 Questions

Measures of Central Tendency & Dispersion(15 Qs)

easy (5)

Q1The mean of 2, 4, 6, 8, 10 is:Q2The median of 3, 1, 4, 1, 5 (sorted: 1,1,3,4,5) is:Q3The mode of 1, 2, 2, 3, 3, 3, 4 is:Q4Range of data set is:Q5Arithmetic mean of first n natural numbers is:

medium (5)

Q1Variance of a data set is:Q2Standard deviation is:Q3Variance of data {a, a, a, ..., a} (all same) is:Q4If each data value is multiplied by k, variance becomes:Q5Coefficient of variation (CV) = (SD/Mean) × 100 measures:

hard (5)

Q1Shortcut formula for variance: σ² = (Σxᵢ²)/n - x̄² means:Q2If data is shifted by constant c (each xᵢ → xᵢ + c), variance:Q3For combined mean of two groups (n₁, x̄₁) and (n₂, x̄₂):Q4Chebyshev's inequality states: at least 1-1/k² fraction of data lies within:Q5The mean deviation about mean is always ___ than standard deviation:

More Mathematics Chapters

Sets, Relations & Functions

15 Qs

Complex Numbers

15 Qs

Quadratic Equations

15 Qs

Permutations & Combinations

15 Qs

Binomial Theorem

15 Qs

Matrices & Determinants

15 Qs

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