gemh1ps geography

Jun 28th, 2015
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Chapter 1 Integers Chapter 2 Fractions and Decimals Chapter 3 Data Handling

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#%Chapter 3DATA HANDLINGDataHandlingdehsTilRbEuCpeN erbott3.1 INTRODUCTIONIn your previous classes, you have dealt with various types of data. You have learnt tocollect data, tabulate and put it in the form of bar graphs. The collection, recording andpresentation of data help us organise our experiences and draw inferences from them.In this chapter, we will take one more step towards learning how to do this. You willcome across some more kinds of data and graphs. You have seen several kinds of datathrough newspapers, magazines, television and other sources. You also know that alldata give us some sort of information. Let us look at some common forms of data thatyou come across:Table 3.1Temperatures of citiesas on 20.6.2006Max.AhmedabadTable 3.2Min.FootballWorld Cup 2006Ukraine beat Saudi Arabia bySpain beat Tunisia bySwitzerland beat Togo by38C29C37C26C28C21C36C27CDelhi38C28CJaipur39C29CJammu41C26CTuesdayWednesdayMumbai32C27CThursdayAmritsaronBangaloreChennai4-03-12-0Table 3.3Data showing weekly absenteesin a classMonday-FridayMarks of five students in a Hindi testof 10 marks are: 4, 5, 8, 6, 7Saturdayrepresents one child#&MATHEMATICSWhat do these collections of data tell you?For example you can say that the highest maximum temperature was in Jammu on20.06.2006 (Table 3.1) or we can say that, on Wednesday, n

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