GyanGhar GyanGhar
Sign up

SSC CGL 2027 · Quantitative Aptitude (Maths) · Chapter 19

Statistics

This topic comes only in Tier 2. The chapter covers the mean, median and mode of lists, frequency tables and grouped data, with the assumed-mean and step-deviation methods. Ogives, quartiles, the empirical formula, range, variance, standard deviation and the coefficient of variation follow. It ends with practice sets, PYQs and a 25-question chapter test.

13 sections · ~480 min read · Free, no login needed
Start Reading

Topics in this chapter

  1. 1

    Mean

    45 min read · Quiz included

  2. 2

    Median

    45 min read · Quiz included

  3. 3

    Mode and the Empirical Formula

    45 min read · Quiz included

  4. 4

    Range, Variance and Standard Deviation

    45 min read · Quiz included

  5. 5

    Shortcuts & Speed Methods

    40 min read · Quiz included

  6. 6

    Solved Questions

    90 min read · Quiz included

  7. 7

    Practice Set 1

    25 min read · Quiz included

  8. 8

    Practice Set 2

    30 min read · Quiz included

  9. 9

    Practice Set 3

    35 min read · Quiz included

  10. 10

    PYQ Practice Set 1

    20 min read · Quiz included

  11. 11

    PYQ Practice Set 2

    20 min read · Quiz included

  12. 12

    Chapter Test (25 Questions, 25 Minutes)

    25 min read · Quiz included

  13. 13

    Quick Revision

    15 min read · Quiz included