In: Statistics and Probability
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. [You may find it useful to reference the t table.
Property Taxes | Size |
21985 | 2428 |
17448 | 2413 |
18247 | 1847 |
15636 | 1061 |
43943 | 5672 |
33618 | 2525 |
15255 | 2216 |
16784 | 1916 |
18153 | 2003 |
16759 | 1316 |
15192 | 1335 |
36072 | 3034 |
31015 | 2829 |
42195 | 3379 |
14356 | 1500 |
38938 | 4053 |
25355 | 4051 |
22961 | 2448 |
16181 | 3506 |
29206 | 2803 |
a-1. Calculate the sample correlation coefficient rxy. (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.)