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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.

The following data gives the weights of 30 persons (in kg) 70.0,69.4,49.4,64.5,59.4,72.4,47.5,48.8,62.3,64.2,66.8,70.3,71.3,56.3,52.7,66.6,59.9,64.7,44.6,60.3,50.3,54.3,62.3,56.3,45.0,45.7,49.8,60.5,67.8,50.1, (i) Construct a frequency distribution such that the last class is 72-76. (ii) State the upper class limits of last three class intervals. (iii) State the maximum weight that can be included in the fourth class interval. (iv) State the class mark of each of the classes. (v) Find the range of the given weights. (vi) If 60kg is the weight of a person then in which class interval, it will be taken.

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.

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