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  1. 8th
  2. Maths
  3. Data Handling
  4. Collecting and Grouping Data

Collecting and Grouping Data

Data Handling
Maths
Class 8

Overview

Revise with Concepts

Organising and Grouping Data

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Related Questions to study

The following data given the marks of students in Mathematics (X) and statistic (Y) each out of , expressed as (x,y).Construct ungrouped  frequency distribution considering single numbers as a class:
(2,7) ,(3,8), (4,9), (2,8), (5,6), (5,7), (4,9), (3,8), (4,8), (2,9), (3,8), (4,8), (5,6), (4,7),
(4,7), (4,6), (5,6), (5,7), (4,6).

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 12 24 36 48 60 72
 24 48 60 72 50 30
 50 45 50 75 50 34
The number of students in a quiz competition scores are in the table. How many students scored marks?

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Following data shows the weekly wages (in ₹) of workers in a factory. and .
How many workers are getting the maximum wages?

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The marks obtained by students of a class in an examination are given below 
8,47,22,31,17,13,38,26,3,34,29,11,22,7,15,24,38,31,21,35,42,
24,45,23,21,27,29,49,25,48,21,15,18,27,19,45,14,34,37,34
 Prepare a frequency distribution table with equal class intervals, starting from (where is not included)

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The median of the data in the following table is . Find the missing frequencies and

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The following data shows the number of matchsticks in boxes:
Arrange the data in tabular form using tally marks and draw the bar graph also.

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The value of up to 35 decimal places is given below:

Make a frequency distribution of the digits to after the decimal point.

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Using tally marks, which one of the following represents the number :

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"A bird in hand is worth two in the bush" from this sentence select the vowels for frequency column. Form a ungrouped frequency distribution table.

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The daily minimum temperatures in degrees Celsius recorded in a certain Arctic region are as follows:

Represent them as frequency distribution table taking to as the first class interval.

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