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Thursday, August 19, 2021

Plus One Maths Chapter 15 Statistics Notes PDF- Download Class 11 Maths Chapter 15 Statistics Solutions PDF

Plus One Maths Chapter 15 Statistics Notes PDF Download Class 11 Maths Chapter 15 Statistics Solutions PDF
Plus One Maths Chapter 15 Statistics Notes PDF Download Class 11 Maths Chapter 15 Statistics Solutions PDF


Plus One Maths Chapter 15 Statistics Notes: Students can download the Plus One Maths Chapter 15 Statistics Notes PDF from our website for free. These Plus One Maths Chapter 15 Statistics Notes will help students to prepare efficiently for the upcoming SCERT board exams. We have also uploaded Plus One notes for all subjects from this page.

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

PDF

Provider

hsslive.co.in


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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

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.

FAQs Regarding Plus One Maths Chapter 15 Statistics Notes PDF


Q: Can I download Plus One Maths Chapter 15 Statistics PDF notes??

A: Students of Class 11 can download Maths Chapter 15 Statistics PDF notes from the links provided in this article.

Q: Will i be able to get Plus One Maths All Chapter notes?

A; Students can download all pdf notes for Plus One Maths All Chapterwise notes from here.
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