27^(-2/3)=1/((∛27)^2)
=1/3^2
=1/9
300$ 1 month
435$ x months
X= 435 x 1/300
X=1.45 months
The outliers are 1 and 2 because they are different from the rest of the data. All the other numbers are large like 10, 12, 9 etc. but 1 and 2 are smaller making them the ones that differ from the rest.
I did the math it should be 1672