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The annual rainfall (x) and the number of bushfire (y) were recorded for NSW, and the values of the following statistics were determined: x =

The annual rainfall (x) and the number of bushfire (y) were recorded for NSW, and the values of the following statistics were determined: x = 531.45mm x= 11.82mm y = 23.5 y= 2.88 r = 0.77 (a) State the least square regression line that models this data. (b) What is the estimated annual rainfall in NSW in 2019, assuming the number of reported bushfire is 31?

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