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Ex 13.1, 11 - Chapter 13 Class 11 Statistics
Last updated at May 7, 2024 by Teachoo
Mean deviation about median - Continuous frequency distibution
Chapter 13 Class 11 Statistics
Concept wise
- Mean deviation about mean - Ungrouped
- Mean deviation about mean - Discrete Frequency
- Mean deviation about mean - Continuous frequency distibution
- Mean deviation about median - Ungrouped
- Mean deviation about median - Discrete Frequency
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Mean deviation about median - Continuous frequency distibution
- Standard deviation and variance - Ungrouped data
- Standard deviation and variance - Discrete frequency (grouped data)
- Standard deviation and variance - Continuous frequency (grouped data)
- Co-efficient of variation
- Indirect questions - Multiplication of observation
- Indirect questions - finding remaining observations
- Indirect questions - Incorrect observation
Transcript
Ex 13.1, 11 Find the mean deviation about median for the following data: Median = + ( /2 )/ Where, = lower limits of median class N = sum of frequencies = frequency of median class C = Cumulative frequency of class before median class Here, = 20, N = 50, C = 14, = 10, = 14 Median = + ( /2 )/ = 20 + ( 50/2 14)/14 10 = 20 + (25 14)/14 10= 20 + 11/14 10 = 20 + 7.8 = 27.8
