Data handling cycle Flashcards
(10 cards)
What are the four main stages of the data handling cycle?
Answer:Specify the problem and plan Collect data Process and represent data Interpret and discuss results
Give an example of a question that could be investigated using the data handling cycle.
Answer: Example: “What is the most popular fruit among students in Year 8?”
Why is it important to plan before collecting data?
Answer: To make sure the data collected is relevant
What is primary data? Give an example.
Answer: Primary data is collected first-hand by the investigator. Example: Surveying students in your class.
What is secondary data? Give an example.
Answer: Secondary data is data collected by someone else. Example: Information from a website or book.
Name two ways to collect primary data.
Answer: Questionnaires Observations or surveys
What type of graph would you use to show how many students chose different colours as their favourite?
Answer: Bar chart
Why is it important to represent data clearly?
To help identify patterns and trends
You collect data from only five people. What is one limitation of your results?
The sample size is too small so the results may not be reliable or representative.
After interpreting your data what is the final step in the data handling cycle?
Answer: Communicate your findings and decide if your question has been answered. You might suggest further questions or improvements.
