What is statistical inference?
Setting up your investigation
1 Select suitable data
2 Pose an appropriate question
3 Name the response variable and the explanatory variable, and justify your choice
4 State the purpose of your investigation and who would find it useful
Select and use appropriate displays
Identify features in the data
Find a linear model
Describe the nature and strength of the linear relationship, and relate this to the context
1 The nature of the relationship
2 The strength of the relationship
Use the model to make a prediction
Improving the model
1 By removing unusual points
2 By fitting a curve
B Deciding which curve is best
Discuss other features of the relationship
2 Correlation and causality
Communicate findings in a conclusion
Writing about bivariate data
Pick the errors
Putting it all together
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