Data Handling is **a process of collection, reporting, and showing information in a form that is important to others in doing (study or retrieve information)**, for example, in graphs or charts. It is also known as statistics. It is also used to compare the data, which further takes out the mean, median, and mode.

Data Handling is **a process of gathering, recording, and presenting information in a way that is helpful to others in using (read or fetch information) for instance, in graphs or charts**. It is sometimes also known as statistics. It is also used for comparing data and taking out mean, median, and mode.

Data is **a collection of numbers gathered to give some information**. It could be the marks of students, shopping done in an year, attendance of students, weight of some individuals and so on. For eg the marks of students in the class or the amount of various goods shopped from the market.

Data Handling is **a process of collection, reporting, and showing information in a form that is important to others in doing (study or retrieve information)**, for example, in graphs or charts. It is also known as statistics. It is also used to compare the data, which further takes out the mean, median, and mode.

(b) There are two ways of handling data which are: (i) **Electronic method**: This is the use of electronic systems such as Computers, storage media like video tape, CD, DVD, Memory Cards and other electronic devices to obtain, store, archive, share or dispose data.

CBSE NCERT Notes Class 8 Maths Data Handling. Data is **raw information collected from different sources**. Scoring or marks, measuring height/weight, calculating distance travelled are all data for different situations. In our day to day life, raw information or data, in terms of quantity or numbers is used regularly.

Data. **A systematic record of facts or different values of a quantity** is called data.

The three steps of data handling are **collection, organisation and interpretation of data**.

**The data in their original form** are called raw data. Example : Marks obtained by 10 students in Class XI are : 38 45 42 36 30 40 60 65 70 11.

In Statistics, “Data Handling” is an important concept that **ensures the integrity of the research data**, as it addresses some important concerns such as security, confidentiality, and the preservation of the research data.

Data handling is **the process of ensuring that research data is stored, archived or disposed off in a safe and secure manner during and after the conclusion of a research project**. This includes the development of policies and procedures to manage data handled electronically as well as through non-electronic means .

**skill shortage**. Lack of process and system to handle data.

**Data Handling**

- Data and its Frequency Distribution.
- Pictographs.
- Bar Graphs.
- Histogram and Pie-Charts.
- Chance and Probability.
- Arithmetic Mean.
- Median and Mode.

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There are three types of light rays; **incident rays, reflected rays, and refracted rays**. Each type of ray describes a different direction in which the light ray shines.

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Students really need to **understand the introduction from each topic area in math** to ensure they have a good foundation. Students should be encouraged to ask questions and try and understand the fundamentals of each concept. Having a strong math foundation will always make the questions in examinations seem easier.

The Associative Law of Addition says that **changing the grouping of numbers that are added together does not change their sum**. This law is sometimes called the Grouping Property. Examples: x + (y + z) = (x + y) + z. Here is an example using numbers where x = 5, y = 1, and z = 7.

**What Are the Super Six Comprehension Strategies?**

- Making Connections. When encountering a text students make connections between the text and their own experiences and understandings.
- Predicting or Inferring.
- Questioning.
- Monitoring Comprehension.
- Visualizing.
- Summarizing.

Hence, A discount of **flat 70%** is better than a successive discount of 40 % and 30%.

Dated : 29-May-2022

Category : Education