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Home /Doubts and Solutions/CBSE/Class 9/Mathematics/Statistics/Grouping And Tabulation Of Data

Grouping And Tabulation Of Data Free Doubts and Solutions

CBSE - IX - Mathematics - Statistics

the number 90 will be put in which class interval- 85-90 or 90-95.

Asked by sajal2402 4th March 2018, 9:46 PM
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CBSE - IX - Mathematics - Statistics

The small groups obtained on dividing all the observations are called ________ and the size is called       _________.

Asked by gujarsurjeet007 26th February 2018, 4:14 PM
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CBSE - IX - Mathematics - Statistics

The value of  upto 50 decimal places is given below:

3.14159265358979323846264338327950288

(i)  Make a frequency distribution of the digits from 0 to 9 after the decimal point.

(ii) What are the most and the least appearing digits?  

Asked by Topperlearning User 18th August 2017, 11:10 AM
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CBSE - IX - Mathematics - Statistics

The blood groups of 30 students are recorded as follows : A, B, O, A, AB, O, A, O, B, A, O, B, A, AB, B, A, AB, B, A, A, O, A, AB, B, A, O, B, A, B, A Prepare a frequency distribution table for the data.

Asked by Topperlearning User 18th August 2017, 11:07 AM
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CBSE - IX - Mathematics - Statistics

The following data shows IQs of some children. Represent it using the continuous frequency distribution.

Asked by Topperlearning User 18th August 2017, 10:39 AM
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CBSE - IX - Mathematics - Statistics

The range of a data is 45. The maximum value in the data is thrice the minimum value. So what are the minimum and maximum values in the data?

Asked by Topperlearning User 23rd May 2016, 10:16 AM
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CBSE - IX - Mathematics - Statistics

The following is the data of 20 students' average marks in all subjects: 36  39  40  48  53  52  50  51  43  40 33  49  54  47  45  52  45  44  32  53 Form a grouped discontinuous frequency distribution table such that one of the classes is 46-50.

Asked by Topperlearning User 1st April 2014, 12:36 PM
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CBSE - IX - Mathematics - Statistics

Asked by Topperlearning User 4th December 2013, 3:27 AM
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CBSE - IX - Mathematics - Statistics

Following are the marks obtained by 30 students in an examination: Taking class intervals 1-10, 11-20, ... make a frequency table for the above distribution.

Asked by Topperlearning User 4th December 2013, 12:19 AM
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CBSE - IX - Mathematics - Statistics

Asked by Topperlearning User 4th December 2013, 12:00 AM
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