3. You are a consultant for a local tourism company where the CEO of the company wants to find out if a family's annual spending on recreation is related or has a relationship with their annual income. A data set consisting of a random sample of 10 families has been collected since last year to assist this analysis as can be seen in the table.
annual spending (Million rupiah)
1,45 2,02 3,75 1,67 2,40 2,55 3,88 3,33 4,05 1,15
annual income (Million rupiah)
37,50 36,90 48,20 34,40 29,90 44,75 60,55 52,00 67,70 20,60
a. What is the average spending of a local resident's family if the average income is x = Rp. 69.500.000,00.