Notes for 3.1D Methods for Collecting and Organizing Data - IB | RevisionDojo
3.1D Methods for Collecting and Organizing Data Notes
Ways to collect and organize data
Primary and secondary data
Definition
Primary Data
Datacollecteddirectly from the source for a specific purpose.
Definition
Secondary Data
Data that has been collected by someoneelse and is being used for a differentpurpose.
Relational Databases
Definition
Database
Large digital collection of data that serves a specified purpose.
Relational databases are databases that are organized into tables.
Columns in relational database tables represent fields that a data entry will have.
Rows represent the records and entries.
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Definition
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(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.
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Note
Introduction to Data Collection
Data collection is the process of gathering information from various sources to analyze and make informed decisions. It is a crucial step in any research or decision-making process.
Data can be collected through various methods, including surveys, interviews, observations, and experiments.
The choice of data collection method depends on the research objectives, available resources, and the nature of the data needed.
AnalogyThink of data collection like gathering ingredients for a recipe. You need to choose the right ingredients (data) and collect them in the right way to create a successful dish (analysis).
ExampleA company conducting market research might use surveys to collect customer feedback, interviews to gather in-depth insights, and sales data to analyze purchasing patterns.
