Year 9
Lesson details
Key learning points
- In this lesson, we will investigate a problem that we can solve by ourselves. We will take our first steps towards this by working through the earlier stages of the PPDAC investigative cycle.
Licence
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3 Questions
Q1.
What is meant by a correlation?
When data is placed in a graph
When there is a set of data that doesn’t lie in the normal or expected range
When there is an upward trend in a graph
Q2.
The visualisation below plots life expectancy (y-axis) against time (x-axis). What type of correlation does this visualisation show from 1949 onwards?
Negative
Neutral
No correlation is visible
Q3.
The following graph shows the annual average temperatures recorded by a weather station over a period of 20 years. Identify the outlier in the data.
Point A
Point B
Point D
3 Questions
Q1.
Which of the following is the correct order of the investigative cycle?
Conclusion, plan, problem, data, analysis
Plan, problem, analysis, data, conclusion
Problem, data, plan, analysis, conclusion
Q2.
In which step of the cycle would you pose the question(s) that you will use data to help you answer?
Analysis
Data
Plan
Q3.
In which step of the cycle would you predict an answer to the question(s). Find a data set or make a plan to collect the data.
Analysis
Data
Problem