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ETC1000 - Business and economic statistics - S1 2025
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Comment on how accurate your model prediction is.
Explain why the estimated coefficient of GenderMale differs to your calculation in Part 1 Question 6.
What was the actual age of the person who died in the first road accident?
Use the model to predict the average age of people who died given the characteristics of the first road accident in the data set. What is your prediction? (Report as an integer)
Interpret the coefficient of Day.of.WeekSunday.
Why is there no variable for StateAustralian Capital Territory? How does this affect the interpretation of the coefficients of StateNew South Wales to StateWestern Australia?
What is the standard error of the regression model? (Report to 4 decimal places)
Consider the model standard error. Which statement is correct regarding interpreting this value?
Step 4: Make a decision and draw a conclusion
The decision rule is to: