Question

3. A realtor studies the relationship between the size of a house (in square feet) and the property taxes (in $) owed by the owner. The table below shows a portion of the data for 20 homes in a suburb 60 miles outside of New York City.

Property Taxes			Size
	21,872			2,464
	17,498			2,451
	⋮			⋮
	29,294			2,895

a-1. Calculate the sample correlation coefficient r_xy. (Round intermediate calculations to at least 4 decimal places and final answers to 4 decimal places.)

c-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.)

Property Taxes	Size
21872	2464
17498	2451
18187	1845
15663	1070
43971	5651
33633	2555
15246	2265
16742	1937
18155	2039
16769	1307
15132	1325
36007	3093
31033	2883
42179	3324
14386	1594
38935	4031
25328	4036
22928	2485
16114	3503
29294	2895

Answer 1