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== Textbook ==
== Textbook ==
Please click here for Karnataka and other text books.
Please click here for Karnataka and other text books.
===NCERT Books===
*[http://ncert.nic.in/NCERTS/textbook/textbook.htm?jemh1=14-14 Class 10 Statistics]
*[http://ncert.nic.in/NCERTS/textbook/textbook.htm?iemh1=14-15 Class 9 Statistics]
*[http://www.ncert.nic.in/ncerts/textbook/textbook.htm?hemh1=5-16 Data Handling Class 8]
===Tamilnadu Books===
*[http://www.textbooksonline.tn.nic.in/Books/Std09/Std09-II-Maths-EM.pdf Class 9 Statistics]
*[http://www.textbooksonline.tn.nic.in/Books/Std10/Std10-Maths-EM-2.pdf Class 10 Statistics]
== Additional Information ==
== Additional Information ==
=== Useful websites ===
=== Useful websites ===
It is useful to refer http://en.wikipedia.org/wiki/Statistics
STATISTICS IS FUN.
STATISTICS IS FUN.
# This website has many powerful videos based on statistical inferences on important social issues [http://gapminder.org/videos/the-joy-of-stats/#.U8JbOzf_QjA click here]
# This website has many powerful videos based on statistical inferences on important social issues [http://gapminder.org/videos/the-joy-of-stats/#.U8JbOzf_QjA click here]
entertainment value, , then this could give the wrong impression that
entertainment value, , then this could give the wrong impression that
TV was being used as an educational tool in your home .
TV was being used as an educational tool in your home .
==Concept 3: Collection, Organising and Grouping the data.==
===Learning objectives===
#Organising and Grouping the collected data systematically
===Notes for teachers===
===Activity No#===
A group of students were asked to say which animal they would like most to have as a pet. The results are given below: dog, cat, cat, fish, cat, rabbit, dog, cat, rabbit, dog, cat, dog, dog, dog, cat, cow, fish, rabbit, dog, cat, dog, cat, cat, dog, rabbit, cat, fish, dog. Make a frequency distribution table for the same.
{| style="height:10px; float:right; align:center;"
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">''[http://karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
|}
*Estimated Time 30 min.
*Materials/ Resources needed chart, marker.
*Prerequisites/Instructions, if any
*Multimedia resources
*Website interactives/ links/ / Geogebra Applets
*Process/ Developmental Questions
*Evaluation
*Question Corner
== Data Collection ==
== Data Collection ==
Rajan made it simpler
Rajan made it simpler
nominal data sets.
nominal data sets.
The first quartile (Q1) lies between the 25th and
The first quartile (Q1) lies between the 25th and
where v is the standard
where v is the standard