Plus One Maths Chapter 15 Statistics Notes PDF Download Class 11 Maths Chapter 15 Statistics Solutions PDF |
Plus One Maths Chapter 15 Statistics Notes
Plus One Maths Chapter 15 Statistics Chapter Wise Notes PDF and Key Points for Class 11 Maths Chapter 15 Statistics Notes are designed by expert teachers from the latest edition of SCERT books to get good marks in board exams. SCERT Plus One Maths Chapter 15 Statistics Notes contains all chapters Of Maths Chapter 15 Statistics. Here we have given SCERT Maths Chapter 15 Statistics Notes Class 11. We recommend you to study SCERT Solutions for Class 11 Maths Chapter 15 Statistics.
Board |
Kerala Board |
Class |
Plus One |
Subject |
Maths |
Chapter |
Chapter 15 Statistics |
Format |
|
Provider |
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Plus One Maths Chapter 15 Statistics Notes Chapter Wise PDF Download
Attached is a detailed study notes of all the subjects based on the of Plus One Maths Chapter 15 Statistics for the students studying in the Higher Secondary section of Kerala. Students can understand these lessons better without going to school and get better marks in the exams. Study notes of each lesson can be downloaded and used by everyone.Statistics deals with data collected for specific purposes and making decisions about the data by analyzing and interpreting it.
I. Measure of Dispersion
This gives a measure of the dispersion of the observation around the measure of central tendency of the data collected.
1. Range = Maximum value – Minimum value.
2. Mean Deviation.
Where,
xi – observations
a – Any measure of central tendency.
Grouped data:
i. Discrete frequency distribution.
ii. Continuous frequency distribution.
Where,
xi – Observations/midpoints of class intervals
a – Any measure of central tendency.
Median class is the class in which the (N2)th observation lies.
l – The lower limit of the median class.
f0 – Cumulative frequency of the class preceding the median class.
f1 – Frequency of the median class.
C – Width of the class interval.
3. Variance and Standard Deviations.
Standard Deviation (σ) = √Variance
Ungrouped data:
Where, xi – observations
x¯ – Mean
n – number of observations
Grouped data:
i) Discrete frequency distribution.
ii) Continuous frequency distribution.
Where,
xi – Observations/mid points of class intervals.
x¯ – Mean
fi – Frequency.
Short cut method of finding variance and standard deviation:
Let A be the assumed mean and the scale be reduced to 1h times (h being the width of class intervals). Let the new value be yi and prepare the required tables using yi. i.e; yi = xi−Ah
Find the variance and standard deviation of yi using the above-mentioned method, let it
II. Coefficient of Variation
The distribution having greater CV has more variability around the central value than the distribution having a smaller value of the CV.
Less the CV more consistent is the data.
For distributions with equal means, the distribution with lesser standard deviation is more consistent or less scattered.
Plus One Maths All Chapter Notes PDF
- Plus One Maths Chapter 1 Sets Notes PDF- Download Class 11 Maths Chapter 1 Sets Solutions PDF
- Plus One Maths Chapter 2 Relations and Functions Notes PDF- Download Class 11 Maths Chapter 2 Relations and Functions Solutions PDF
- Plus One Maths Chapter 3 Trigonometric Functions Notes PDF- Download Class 11 Maths Chapter 3 Trigonometric Functions Solutions PDF
- Plus One Maths Chapter 4 Principle of Mathematical Induction Notes PDF- Download Class 11 Maths Chapter 4 Principle of Mathematical Induction Solutions PDF
- Plus One Maths Chapter 5 Complex Numbers and Quadratic Equations Notes PDF- Download Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations Solutions PDF
- Plus One Maths Chapter 6 Linear Inequalities Notes PDF- Download Class 11 Maths Chapter 6 Linear Inequalities Solutions PDF
- Plus One Maths Chapter 7 Permutation and Combinations Notes PDF- Download Class 11 Maths Chapter 7 Permutation and Combinations Solutions PDF
- Plus One Maths Chapter 8 Binomial Theorem Notes PDF- Download Class 11 Maths Chapter 8 Binomial Theorem Solutions PDF
- Plus One Maths Chapter 9 Sequences and Series Notes PDF- Download Class 11 Maths Chapter 9 Sequences and Series Solutions PDF
- Plus One Maths Chapter 10 Straight Lines Notes PDF- Download Class 11 Maths Chapter 10 Straight Lines Solutions PDF
- Plus One Maths Chapter 11 Conic Sections Notes PDF- Download Class 11 Maths Chapter 11 Conic Sections Solutions PDF
- Plus One Maths Chapter 12 Introduction to Three Dimensional Geometry Notes PDF- Download Class 11 Maths Chapter 12 Introduction to Three Dimensional Geometry Solutions PDF
- Plus One Maths Chapter 13 Limits and Derivatives Notes PDF- Download Class 11 Maths Chapter 13 Limits and Derivatives Solutions PDF
- Plus One Maths Chapter 14 Mathematical Reasoning Notes PDF- Download Class 11 Maths Chapter 14 Mathematical Reasoning Solutions PDF
- Plus One Maths Chapter 15 Statistics Notes PDF- Download Class 11 Maths Chapter 15 Statistics Solutions PDF
- Plus One Maths Chapter 16 Probability Notes PDF- Download Class 11 Maths Chapter 16 Probability Solutions PDF
Highlights of Plus One Maths Chapter 15 Statistics Notes
Some of the advantages of studying from these Plus One Maths Chapter 15 Statistics notes:- These notes are prepared by our highly experienced exam experts and are purely based on the latest Plus One Maths Chapter 15 Statistics syllabus as prescribed by the SCERT board.
- These Plus One Maths Chapter 15 Statistics notes cover all the important concepts, facts, equations and formulas included in the syllabus.
- These Maths Chapter 15 Statistics notes are designed in a precise manner so as to provide all the important illustrations making it much easier for students to grasp important concepts crucial for the examination perspective.
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