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Statistics — Question Ex 14.4 Q3

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Ex 14.4 Q3
Question

The following table gives production yield per hectare of wheat of 100 farms of a village.
NCERT Solutions For Class 10 Maths Chapter 14 Statistics Ex 14.4 Q3
Change the distribution to a more than type distribution, and draw its ogive.

Answer

Exercise 14.4 Class 10 Maths NCERT Solutions pdf download Q3
Exercise 14.4 Class 10 Maths NCERT Solutions pdf download Q3.1

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CBSE Class 10 Statistics — Complete Guide

Statistics carries 5-7 marks and is highly scoring. Mean, median, and mode of grouped data are guaranteed questions.

Quick Revision: Key Formulae

  • Mean (step deviation): a + (Σfiui/Σfi) × h
  • Median: l + [(n/2 − cf)/f] × h
  • Mode: l + [(f1−f0)/(2f1−f0−f2)] × h
  • Empirical: 3 Median = Mode + 2 Mean

Most Important Questions

  1. Find mean using step deviation or assumed mean method
  2. Find median of grouped data
  3. Find mode of grouped data
  4. Draw ogive and determine median graphically

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