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The water bills (in rupees) of 32 hou...

The water bills (in rupees) of 32 houses in a certain street for the period 1.1.98 to 31.3.98 are given below: 56,43,32,38,56,24,68,85,52,47,35,58,63,74,27,84,69,35,44,75,55,30,54,65,45,67,95,72,43,65,35,59 Tabulate the data and present the data as a cumulative frequency table using 70-79 as one of the class intervals.

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The water tax bills (in rupees) of 30 houses in a locality are given below. Construct a grouped frequency distribution with class size of 10. 30,32,45,54,74,78,108,112,66,76,88,40,14,20,15,35,44,66, 75,84,95,96,102,110,88,74,112,14,34,44

The water tax bills (in rupees) of 30 hours in a locality are given below. Construct a grouped frequency distribution with class size of 10. 30,32,45,54,74,78,108,112,66,76,88,40,14,20,15,35,44,66,75,84, 95,96,102,110,88,74,112,14,34,44

The marks scored by 40 students of class VIII in mathematics are given below: 81,55,68,79,85,43,29,68,54,73,47,35,72,64,95,44,50,77,64, 35,79,52,45,54,70,83,62,64,72,92,84,76,63,43,54,38,73,68,52,54. Prepare a frequency distribution with class size of 10 marks.

The weights (in kg) of 35 persons are given below :43,51,47,62,48,40,50,62,53,56,40,48,56,53,50,42,55,52,48,46,45,54,52,50,47,44,54,55,60,63,58,55,60,58,53. Prepare a frequency distribution table taking equal class size. One such class is 40 - 45 (where 45 is not included).

Construct a frequency table for the following weights (in gm) of 35 mangoes using the equal class intervals, one of them is 40-45 (45 not included): 30,40,45,32,43,50,55,62,70,70,61,62,53,52,50,42,35,37,53, 55,65,70,73,74,45,46,58,59,60,62,74,34,35,70,68 What is the class marks of the class interval 40-45? What is the range of the above weights? How many classes are there?

We are given the following marks secured by 25 students in an examination . 23,28,30,32,35,36,36,40,41,43,44,44,45,48,49,52,53,54,56,56,58,61,62,65,68. (i)Arrange this data in the form of a frequency distribution taking the following class intervals. 20-29,30-39,40-49,50-59, and 60-69 (ii) Draw the frequency polygon and ogive for the above data.

The following are the marks (out of 100) of 60 students in Mathematics. 16,13,5,80,7,51,48,24,56,70,19,17,16,36,34, 42,34,42,34,34,35,72,55,75,31,52,28,97,74,45,62,68,86, 35,85,36,81,75,55,26,95,31,7,78,92,62,52,56,15,63,25,36,54,44,47,27,72,17,4,30 . Construct a grouped frequency table with width 10 of each class starting from 0-9.

The weights (in kg) of 30 students of a class are 39,43,32,37,29,26,31,45, 46,31,37,38,30,39,36,41,35,34,41,46,39,38,36,38,40,42,33,43,44,33. Prepare a frequency distribution table using one class interval as 30-35 in which 30 is included and 35 excluded. using the above data, draw a histogram.

Given below are the ages of 40 people in a colony: {:(33,8,7,28,30,25,6,50,24,44),(56,32,27,21,17,62,58,16,14,19),(24,31,27,5,12,46,15,42,67,34),(4,21,10,40,20,50,48,63,9,21):} Taking class intervals 1-10, 11-20, 21-30, 31-40, 41-50, 51-60 and 61-70, we construct a frequency distribution table for th above data.

RD SHARMA-TABULAR REPRESENTATION OF STATISTICAL DATA -All Questions
  1. Thirty children were asked about the number of hours they watched T...

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  2. The distances (in Km) covered by 24 cars in 2 hours are given below...

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  3. The marks obtained by 35 students in an examination are given below...

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  4. A cumulative frequency distribution is given below. Convert this in...

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  5. Find the unknown entries a,b,c,d,e and f in the following distribution...

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  6. Cumulative Frequency Distribution

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  7. The marks scored by 55 students in a test are given below: Marks   ...

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  8. The water bills (in rupees) of 32 houses in a certain street for th...

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  9. Given below is a cumulative frequency distribution table showing th...

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  10. Tally marks are used to find class intervals                 (b)...

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  11. The difference between the highest and lowest values of the observa...

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  12. The difference between the upper and the lower class limits is call...

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  13. In the class intervals 10-20, 20-30, 20 is taken in the interval...

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  14. In a frequency distribution, the mid-value of a class is 15 and the...

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  15. The mid-value of a class interval is 42. If the class size is 10, t...

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  16. The number of times a particular item occurs in a given data is cal...

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  17. The width of each of nine classes in a frequency distribution is 2....

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  18. Let l be the lower class limit of a class-interval in a frequency d...

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  19. Let following marks were obtained by the students in a test: 81,72,...

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  20. Tally are usually marked in a bunch of 3           (b)  4          ...

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