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CBSE Class 9 Answered

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 | 04 Dec, 2013, 12:19: AM
answered-by-expert Expert Answer

Frequency table is as follows:

Answered by | 04 Dec, 2013, 02:19: AM

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CBSE 9 - Maths
what is class mark?
Asked by anaikapandeymarmoris | 20 Dec, 2022, 06:43: PM
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CBSE 9 - Maths
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
Asked by deadpool.samarth | 01 Sep, 2021, 09:27: AM
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CBSE 9 - Maths
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 | 18 Aug, 2017, 11:07: AM
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CBSE 9 - Maths
The relative humidity in Delhi, for the month of July, this year as reported by the Meteorological Department is given below : 90, 97, 92, 95, 93, 95, 93, 85, 83, 85, 83, 77, 83, 77, 74, 60, 71, 65, 80, 87, 82, 81, 76, 61, 63, 58, 58, 56, 57, 54, 98 Present the data in the form of frequency distribution.
Asked by Topperlearning User | 18 Aug, 2017, 11:10: AM
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CBSE 9 - Maths
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 | 18 Aug, 2017, 11:10: AM
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CBSE 9 - Maths
Given below are the marks obtained by 50 students of class IX in a test of Hindi. 42, 21, 51, 37, 42, 37, 38, 42, 49, 52, 38, 53, 57, 47, 29, 59, 61, 33, 17, 71, 39, 43, 42, 39, 14, 7, 27, 19, 54, 51, 39, 43, 42, 16, 37, 67, 62, 39, 51, 53, 41, 53, 59, 37, 27, 33, 34, 42, 22, 31. With these data, form a less than type cumulative frequency table.(i) What is the range of marks. (ii) What can you conclude from the above data about the number of students who scored more than 35.
Asked by Topperlearning User | 18 Aug, 2017, 11:08: AM
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CBSE 9 - Maths
The following data shows IQs of some children. Represent it using the continuous frequency distribution.
Asked by Topperlearning User | 18 Aug, 2017, 10:39: AM
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CBSE 9 - Maths
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 | 01 Apr, 2014, 12:36: PM
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CBSE 9 - Maths
The blood groups of 30 donors in a blood donation camp are recorded as follows:A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O,A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O.Represent this data in the form of a frequency distribution table. Which is the most common and which is the rarest blood group among these donors?
Asked by Topperlearning User | 04 Dec, 2013, 03:34: AM
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CBSE 9 - Maths
The distance, in km, from school to homes of thirty children is listed below: 16, 2, 3, 5, 12, 5, 8, 4, 8, 10, 3, 4, 12, 2, 8, 15, 1, 17, 6, 3, 2, 8, 5, 9, 6, 8, 7, 14, 12, 11. (i) Make a grouped frequency distribution table for this data, taking class width 5and one of the class intervals as 5 - 10. (ii) How many children live at a distance of more than 15 km from school?
Asked by Topperlearning User | 04 Dec, 2013, 02:38: AM
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