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NCERT Exemplar Class 7 Maths Unit 3 Data Handling

by aglasem
January 7, 2022
in 7th Class
Reading Time: 5 mins read
0

Candidates can download NCERT Exemplar Class 7 Maths Unit 3 from this page. The exemplar has been provided by the National Council of Educational Research & Training (NCERT) and the candidates can check it from below for free of cost. It contains objective, very short answer type, short answer type, and long answer type questions. Along with it, the answer for each question has also been provided. From the NCERT Exemplar Class 7 Maths Unit 3, candidates can understand the level and type of questions that are asked in the exam.

NCERT Exemplar Class 7 Maths Unit 3 Data Handling

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NCERT Class 7 Maths Unit 3 is for Data Handling. The type of questions that will be asked from NCERT Class 7 Maths Unit 3 are displayed in the below provided NCERT Exemplar Class 7 Maths Unit 3. With the help of it, candidates can prepare well for the examination.


Main Concepts and Results

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The information collected in the form of numbers is called Data.
Data is organised and represented graphically so that it becomes easy to understand and interpret.
The difference between the highest and lowest observations in a given data is called its Range.
The average or Arithmetic Mean or mean of a given data is defined as:

Mode is the observation that occurs most frequently in the data.
If each of the values in a data are occurring one time (or equal number of times), then all are mode. Sometimes, we also say that this data has no mode since none of them is occurring frequently.
When the given data is arranged in ascending (or descending) order, then the middle most observation is the median of the data.
Mean, median and mode are the representative values of a group of observations. They are also called the measures of central tendency of the data.
The representation of the data in the form of rectangles (bars) of uniform width is called a Bar Graph.
A double bar graph can be used to compare informations related to two data.
The situation that may or may not happen, have a chance of happening.
The probability of an event which is certain to happen is ‘1’.
The probability of an event which is impossible to happen is ‘0’.
The probability of an event:

Solved Examples

Multiple Choice Questions

Class 7 Important Questions for Maths – Data Handling

Fill in the Blanks Type Questions

Class 7 Important Questions for Maths – Data Handling

True False Type Questions

Class 7 Important Questions for Maths – Data Handling

Other Important Type Questions

Class 7 Important Questions for Maths – Data Handling

Applications

Click here to download NCERT Exemplar Class 7 Maths for Unit 3 Data Handling.
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Answers

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Tags: MathematicsNCERT ExemplarNCERT Exemplar Problems SolutionsNCERT Mathematics SolutionsNCERT Solutions Class 7NCERT Solutions PDF

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