Need to solve the T -statistic for the test
below is the the table the Answer is t= - 7.646
But i need to understand how they obtain this answer in order to do a similar question.
Weight (Carat) Price ($)
0.22616
0.25712
0.27750
0.28843
0.27724
0.19501
0.17349
0.23650
0.22608
0.24634
0.29863
0.16347
0.17377
0.16295
0.18462
0.24609
0.22581
0.16389
0.17402
0.28752
0.25694
0.23651
0.26737
0.19432
0.22560
0.27736
0.28846
0.25660
0.24647
0.21
504