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ETC1000 - Business and economic statistics - S1 2025
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List one R function that can be used to visualise the distribution of the Age variable.
What is the probability that the person was male? (Report as a probability to 2 decimal places)
Run the following code:
plot(table(df$Year),type="l")
Discuss in one sentence the overall pattern observed in the plot.
What is the probability that the person was female? (Report as a probability to 2 decimal places)
What does this suggest about the shape of the distribution of ages?
What is the sample size?
What is the median age of the people who died in accidents? (Report as an integer)
What is the average age of the people who died in accidents? (Report as an integer)
Explain why the estimated coefficient of GenderMale differs to your calculation in Part 1 Question 6.