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    BASIC DATA

                                      2                                             CONCEPTS

                     PRIMARY PREVIEW

                        Data                                                Types of Data
                        Data Collection                                     Organising Data
                        Data Representation                                 Real-World Applications of Data

                     Data is all around us, appearing in many forms, such as numbers, text, pictures and sounds. For
                     example, the temperature you check in the morning is data, just like the number of books you
                     read in a week. When you send a message, the words are data and when you listen to a song, the
                     sound is also data. Daily routines are full of data like the time on a clock, a shopping bill or scores
                     in a cricket match. Even the steps counted by a fitness watch are data that help track progress,

                     compare and make decisions.
                     A great example of data in action is the recommendation system on apps like YouTube or Netflix.

                     These systems use data about what you’ve watched before and suggest new shows or videos you
                     might like based on that information. Another example can be seen in a weather app. The app
                     uses data from weather stations to show you the forecast for your area, such as whether it will
                     rain or be sunny. This data helps you plan your day better. In this chapter, you will learn about
                     different types of data and how to organise it using tables and charts, showing how data helps in
                     everyday life.

                     DATA

                     Data refers to raw facts or figures that are collected and stored for analysis. It can take many forms,
                     including numbers, text, images, sounds or even measurements. These pieces of information, on
                     their own, don't hold meaning until they are processed or interpreted to derive useful insights.

                     For example:

                       The temperature reading on a thermometer.
                       The picture you take on your phone.

                       The amount of time you spend on homework each day.

                       The points scored by your team in a football match.
                       The marks you get in a test or quiz.

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