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• CBSE×
• Class 9×
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• Statistics×

# Statistics Free Doubts and Solutions

## Find the median if the squares of the first 8 natural numbers

Asked by rimpy1908 15th February 2019, 8:03 PM

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## Write  the class size :- 10-19,20-29,30-39.

Asked by sarvanhi1108 16th January 2019, 11:42 AM

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## For what value of x will 8 and x have the same mean as 27 and 5? Elaborate step-by-step.

Asked by stutagra 11th February 2017, 3:46 PM

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## Q1) Prepare a histogram on the following:  a) Percentage distribution of Foreign Tourists Arrival in India according to age groups during 1996 – 2012 for class size 10 (using Table ).  age group (inyears)   0-15   15-25   25-35   35-45   45-55   55-65   65&above   % distribution by age group (in years)   11   8   16   21   20   14   10

Asked by araima2001 3rd March 2015, 10:28 AM

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## The average of 20 numbers is 0.of them,at most how many of them may be greater than zero?

Asked by pugalatha 23rd January 2015, 10:40 PM

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## Thank you very much, sir / madam

Asked by manojsun 18th March 2014, 12:48 PM

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## There are 50 numbers. each number is subracted from 53 and the mean of the numbers so obtained is found to be -3.5.   What is mean of the given number.

Asked by manojsun 17th March 2014, 9:47 AM

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## What is the meaning of xifi in statistics?

Asked by toshalimohapatra9ctis 16th March 2014, 11:41 AM

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## The class marks of a distribution are :                  45,52,57,62,67,72,77,82,87,92,97,102.

Asked by 10th March 2014, 12:02 PM

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## The mean of 8 observations is 40.If 5 is added to each observation then find the value of new mean.

Asked by Chelsea Dhawan 7th March 2014, 6:54 PM