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A survery regarding the heights (in cm )...

A survery regarding the heights (in cm ) of 51 girls of Class X of a school was conducted and date was obtained as shown in table . Find their median .
`{:("Height (in cm)","Number of girls"),("Less than"140,4),("Less than"145,11),("Less than"150,29),("Less than"155,40),("Less than"160,46),("Less than"165,51):}`

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. A survery regarding the heights (in cm ) of 51 girls of Class X of a s...

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  2. The mean value can be calculated from both ungrouped and grouped date ...

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  3. When it is more conveninet to use grouped date for analysis ?

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  4. The distribution below shows the number of wickets taken by bowlers in...

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  5. Find the mode of the following data. 5, 6, 9, 10, 6, 12, 3, 6, 11, 10,...

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  6. Find the mode of the following data. 20 ,3, 7 ,13 , 3 , 6 , 7 ,19 ,...

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  7. Find the mode of the following data. 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, ...

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  8. Is the mode always at the centre of the data ?

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  9. Does the mode change , if another observation is added to the data in ...

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  10. If the maximum value of an observation in the data in example 4 is cha...

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  11. It depends upon the demand of the situation whether we are intersted i...

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  12. Can mode be calculated for grouped data with unequal class sizes ?

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  13. The wickets taken by a bowler in 10 cricket matches are as follows: 2 ...

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  14. When an observation in a data is abnormally more than or less than the...

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  15. Formula to find mean for a grouped data is

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  16. The median of observation, -2,5,3, -1,4,6,is 3.5".Is it correct?Justif...

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  17. Write the first 10 prime numbers and find there median.

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  18. Prathyusha stated that “the average of first 10 odd numbers is also 10...

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  19. Write the formula for the median of a grouped data. Explain symbol wit...

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  20. Find the median of first seven composite number.

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  21. Find the mode of the data 6,8,3,6,3,7,4,6,7,3,6.

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