Modelling Change Project-Jungyun Car produced in the whole world every year

The topic I selected for my project was the car produced in the whole world every year. I researched from 1999 to 2015.

Firstly, I labelled 17 dots on the graph

Then, I split the the dots into 3 equal intervals.

Then, I calculated the line of best fit by choosing two points from each intervals and calculating the equation which goes through the two dots.

Then I got my lines of best fit.

The final step was to find the line of best fit for my whole dots. The formula I used was a√x+b

My prediction for the limit of cars was 170000000 and the prediction for 50 years was 75000000 and 100000000 for 100 years

Thank you for watching my presentation

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