I am trying to run an independent 2 sample t test in SPSS using this chart. I can't figure out what is my test variable and what is my grouping variable. I think my test variable are region 1 and region 2., and the grouping variable are the years. But there are 10 years and it doesn't make sense. I know how to run the test in the software from a video I watched, I am just stuck on how to input the data. Thank you.

The problem that demonstrates inference from two independent samples will use hypothetical data from the American Association of Poison Control Centers.

There are two groups of independent data collected in different regions, which also calls for a t-test. The numbers represent the number of recorded cases of poisoning with chemicals in the homes of 100,000 people in two regions.

Cases of Poisoning With Chemicals

Year	Region 1	Region 2
1	150	11
2	160	10
3	132	14
4	110	12
5	85	10
6	45	11
7	123	9
8	180	11
9	143	10
10	150	14