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Ex 13.1, 9 - Chapter 13 Class 11 Statistics
Last updated at May 7, 2024 by Teachoo
Mean deviation about mean - Continuous frequency distibution
Chapter 13 Class 11 Statistics
Concept wise
- Mean deviation about mean - Ungrouped
- Mean deviation about mean - Discrete Frequency
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Mean deviation about mean - Continuous frequency distibution
- Mean deviation about median - Ungrouped
- Mean deviation about median - Discrete Frequency
- 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, 9 Find the mean deviation about the mean for the data. 128 = 50 & 128 = 17900 Mean = ( _ _ )/ _ = 17900/50 = 358 Now, 128 = 50 128 | | = 7896 Mean deviation about mean = ( _ | | )/ _ = 7896/50 = 157.92
