Home
Class 8
MATHS
The weekly pocket expenses (in rupees) o...

The weekly pocket expenses (in rupees) of 30 students of a class are given below:
62, 80, 110, 75, 84, 73, 60, 62, 100, 87, 78, 94, 117, 86, 65, 68, 90, 80, 118, 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115
Construct a frequency table with class intervals 60-70 (where 70 is not included), 70-80, 80-90. etc.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DATA HANDLING

    RS AGGARWAL|Exercise Exercise 21C|11 Videos
  • DATA HANDLING

    RS AGGARWAL|Exercise Exercise 21A|3 Videos
  • CUBES AND CUBE ROOTS

    RS AGGARWAL|Exercise Test Paper-4 (Fill in the blanks)|4 Videos
  • DIRECT AND INVERSE PROPORTIONS

    RS AGGARWAL|Exercise TEST PAPER -12 (Fill in the blanks )|5 Videos

Similar Questions

Explore conceptually related problems

The daily wages of 30 workers (in Rs.) in a factory is given below. 40, 45, 35, 70, 60, 52, 49, 46, 65, 56, 60, 35, 45, 40, 50, 56, 57, 48, 55, 52, 50, 70, 75, 80, 50, 45, 52, 65, 72, 50. How many workers are earning less than Rs. 50 per day ?

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.

Find the median of the following data: class : 0-10 , frequency :5 , 10-20 , 3 , 20-30 , 4 , 30-40 , 3 , 40-50 , 3, 50-60 , 4, 60-70 , 7 , 70-80 , 9 , 80-90 , 7 , 90-100 , 8 ,

The marks scored by 20 students in a test are given below: 54,42,68,56,62,71,78,51,72,53,44,58,47,64,41,57,89,53,87,57. Complete the following frequency table: Marks in class intervals, Tally marks, Frequency (No. of children 40-50 50-60 60-70 70-80 80-90, , What is the class interval in which the greatest frequency occurs?

The weights in grams of 50 apples picked at random from a consignment are as follows 106, 107, 76, 82, 109, 107, 115, 93, 187, 195, 123, 125, 111, 92, 86, 70, 126, 68, 130 129, 139 119, 115, 128, 100, 186, 84, 99, 118, 204, 111, 141, 136 123, 90, 11 98, 110, 78, 90, 107, 81, 131, 75, 84, 104, 110, 80, 118, 82. Form the grouped frequency table by dividing the variable range into intervals of equal width, each corresponding to 70 gms in such a way that mid-value of the first class corresponds to 70 gms.

Find the mean of the marks obtained by 30 students of Class IX of a school, given in Example 2. 10 20 36 92 95 40 50 56 60 70 92 88 80 70 72 70 36 40 36 40 92 40 50 50 56 60 70 60 60 88

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 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.

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?