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CBSE Class 9 Answered

Distingues between center point and average value of given dats ?
 
Asked by Ramgopal | 21 May, 2016, 01:49: PM
answered-by-expert Expert Answer
begin mathsize 12px style Suppose space we space have space ungrouped space data space 3 comma space 4 comma space 1 comma space 5 comma space 6 To space find space the space centre space point space or space the space median comma space we space have space to space arrange space it space in space either space ascending space or space descending space order. Ascending space order colon space 1 comma space 3 comma space 4 comma space 5 comma space 6 After space arranging space in space order comma space the space mid space value space is space 4. space So space we space say space that space 4 space is space center space point space or space median space of space the space given space data. To space find space the space average space value space of space any space data comma space we space simply space add space all space values space and space divide space by space no. space of space terms. So space for space the space given space data comma space average space or space mean equals fraction numerator 3 plus 4 plus 1 plus 5 plus 6 over denominator 5 end fraction equals 19 over 5 equals 3.8 end style
Answered by satyajit samal | 23 May, 2016, 10:12: 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.
Asked by 16presa1186 | 09 Jan, 2023, 07:55: PM
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CBSE 9 - Maths
The most occurring frequency observation from data is called........ 
Asked by Princevekariaya | 04 Apr, 2021, 01:57: PM
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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
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
how to find mean , median , mode
Asked by anish.ravesh | 07 Jul, 2019, 12:14: PM
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CBSE 9 - Maths
If class mark is 10 and class width is 6 then find the class  
Asked by Vvirattiger2003 | 02 Apr, 2019, 04:53: AM
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CBSE 9 - Maths
For what value of x, is the mode of the following data 17?15,16,17,13,17,16,14,x,17,16,15,15
Asked by Topperlearning User | 18 Aug, 2017, 01:57: PM
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CBSE 9 - Maths
Asked by Topperlearning User | 18 Aug, 2017, 02:05: PM
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CBSE 9 - Maths
The mean of 68 numbers is 18. If each number is divided by 6, find the new mean. Find the relation between the new mean and the old mean.
Asked by Topperlearning User | 18 Aug, 2017, 01:57: PM
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CBSE 9 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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