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CBSE Class 9 Answered

What is statistics?
Asked by | 07 Mar, 2008, 11:32: PM
Expert Answer

Statistics is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data.

Answered by | 08 Mar, 2008, 11:07: AM

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CBSE 9 - Maths
Observations of a raw data are 5,28,15,10,24. Add four more numbers so that mean and median of the data remain the same, but mode increases by 1.
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Following are the marks obtained by 20 students in an class 9 examination , 12,8,18,16,1,6,8,5,23,12,16,23,10,2,12,20,7,9,0,5 present the data in the form of a frequency distribution using (the class size such as 0-5 ,5-10 etc , how many students obtained marks below 15
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CBSE 9 - Maths
The most occurring frequency observation from data is called........ 
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CBSE 9 - Maths
The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95
Asked by swatipuspapatel | 12 Jan, 2021, 07:21: PM
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CBSE 9 - Maths
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Asked by deshmukhsiddhesh39 | 03 Jul, 2020, 03:37: PM
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CBSE 9 - Maths
find a new mean if 2,4 is added and 5 is subtracted from data of mean 20 and terms 100
Asked by tapiawalabipin | 09 Jan, 2020, 08:43: AM
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CBSE 9 - Maths
I am unable to understand the symbols please help me to understand the symbols in the solution any give me answer in detail by writing in language not a symbol use.
Asked by Anubhavjain599 | 15 Dec, 2019, 11:54: AM
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CBSE 9 - Maths
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CBSE 9 - Maths
If class mark is 10 and class width is 6 then find the class  
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