Difficulty distribution
How the classified questions are distributed by difficulty.
3questions
Not classified
3
100%
Statistics - Algebra - Mathematics Previous Year Questions
Practice Statistics - Algebra - Mathematics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
3Papers
3Years
3Questions
1Topics
Statistics question pattern
Every graph below is calculated only from this selection.
Questions by year
Year-wise coverage for Statistics. Each bar uses a separate theme-derived color.
Question type distribution
MCQ, numerical, multiple-select and other formats found in these papers.
3questions
Multiple Choices
3
100%
Subject weightage
Top subjects by unique question coverage.
Most asked topics
Top topics across the included previous year papers.
Subtopic coverage
Top subtopics inside this exact selection.
Paper coverage
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Included previous year papers
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| WB JEE 2021 | 2021 | 1 | View paper |
| WB JEE 2017 | 2017 | 1 | View paper |
| WB JEE 2016 | 2016 | 1 | View paper |
All Statistics previous year questions
Practice every matching question in batches of 20, with every available option.
2016 · Mathematics · Algebra · Statistics
WB JEE 2016
Standard deviation of n observations a1, a2, a3, ....., an is \(\sigma\). Then, the standard deviation of the observations \(\lambda\)a1, \(\lambda\)a2, ....., \(\lambda\)an is
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2017 · Mathematics · Algebra · Statistics
WB JEE 2017
Mean of n observations x1, x2, ...., xn is \(\overline x\). If an observation xq is replaced by xq' then the new mean is
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2021 · Mathematics · Algebra · Statistics
WB JEE 2021
The mean and variance of a binomial distribution are 4 and 2 respectively. Then the probability of exactly two successes is
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