What is a the difference in performance in the Caffeine vs. No Caffeine groups using an indpendent samples t-test with the data below?

Gender	Age	Read Word (time in seconds)	Say Color (time in seconds)	The Stroop Effect - the difference between Say Color and Read Word (seconds)	caffeine or no caffeine
1	18	75.1	80.9	5.8	1
1	18	73.8	76.9	3.1	1
1	18	74.1	77.3	3.2	1
1	18	76	79.1	3.1	2
1	18	79.1	81.2	2.1	1
1	19	73.6	76.8	3.2	1
1	19	74.8	78.6	3.8	2
1	19	79.6	81.6	2	2
1	20	76.6	79.1	2.5	1
1	20	77.1	79.9	2.8	1
1	20	80.2	82	1.8	2
1	21	73.5	76.7	3.2	2
1	21	77.5	80.7	3.2	1
1	22	74.8	78.6	3.8	1
1	22	75.1	78.9	3.8	1
1	22	75.3	79	3.7	1
1	22	76.5	79.1	2.6	2
1	22	77.8	80.8	3	2
1	22	78.5	81.1	2.6	2
1	22	79.6	81.9	2.3	1
1	22	80	82	2	1
1	22	80.3	82.1	1.8	1
1	22	80.4	82.3	1.9	2
1	23	74.1	77.4	3.3	2
1	23	74.1	77.6	3.5	1
1	23	74.5	78.2	3.7	1
1	23	74.6	78.5	3.9	2
1	23	76.6	79.1	2.5	1
1	23	79.9	81.9	2	1
1	23	80	82	2	2
1	24	74.3	78.1	3.8	2
1	24	75	78.7	3.7	2
1	24	79.3	81.3	2	2
1	25	76.8	79.4	2.6	2
1	25	77	79.6	2.6	1
1	25	77.3	80.6	3.3	2
1	25	78.2	81	2.8	2
1	25	78.4	81.1	2.7	2
1	60	82.3	85.3	3	2
1	60	78.3	84.4	6.1	2
1	60	83.7	85.5	1.8	1
1	60	80.1	86.7	6.6	1
1	61	80.9	86	5.1	1
1	61	81	84.6	3.6	1
1	61	82.2	84.2	2	1
1	61	81.4	85.2	3.8	2
1	61	81.5	86.5	5	2
1	61	82.8	86.1	3.3	2
1	62	84	84.3	0.3	1
1	63	82.1	85.3	3.2	1
1	63	78.5	87.9	9.4	1
1	63	78	83.8	5.8	2
1	63	81.7	87.6	5.9	1
1	65	82.9	83.2	0.3	2
1	65	81.1	88.5	7.4	1
1	65	79.3	87.1	7.8	2
1	65	80.9	85	4.1	2
1	66	80.2	87	6.8	1
1	66	81.1	86.9	5.8	1
1	66	80.9	88.4	7.5	1
1	66	82.1	87	4.9	2
1	67	79.1	83.9	4.8	2
1	68	82.7	87.5	4.8	1
1	68	84.2	86.9	2.7	1
1	69	84	86.6	2.6	2
1	69	78.5	85	6.5	1
1	69	78.5	84.2	5.7	1
1	70	78.9	86.4	7.5	1
1	70	78.4	85.4	7	2
1	70	78.3	85.2	6.9	2
1	70	83.6	85.2	1.6	2
1	71	81.5	84.2	2.7	2
1	71	81.6	88.8	7.2	2
1	72	83.8	86.1	2.3	2
1	72	83.5	83.6	0.1	1
1	72	80	84.2	4.2	2
1	72	81	87.3	6.3	1
1	73	84	86.5	2.5	1
1	74	80.4	88.8	8.4	2
1	75	83.4	83.8	0.4	1
1	75	78.8	86	7.2	1
2	18	74.7	75	0.3	2
2	18	74.7	79.9	5.2	2
2	19	70.1	74	3.9	1
2	19	70.2	74	3.8	2
2	19	70.6	74.3	3.7	2
2	19	70.7	74.5	3.8	1
2	19	72	74.9	2.9	1
2	19	72.6	75.3	2.7	2
2	19	73.3	76.3	3	1
2	19	73.7	77.3	3.6	2
2	19	73.9	77.4	3.5	1
2	19	74.4	79.2	4.8	2
2	20	70.8	74.8	4	2
2	20	71	74.8	3.8	1
2	20	72.4	75	2.6	1
2	21	70	73.8	3.8	2
2	21	71.1	74.9	3.8	1
2	21	74	77.7	3.7	1
2	22	72.2	75	2.8	2
2	22	73.3	76.4	3.1	1
2	22	73.4	77	3.6	1
2	22	74.1	78.6	4.5	2
2	22	74.6	79.8	5.2	1
2	23	69.6	73.6	4	1
2	23	72.4	75.1	2.7	1
2	23	72.7	75.6	2.9	2
2	23	73.2	76	2.8	1
2	24	70.5	74.2	3.7	1
2	24	72.7	75.7	3	2
2	24	72.8	75.9	3.1	1
2	24	73.1	76	2.9	2
2	24	73.6	77	3.4	1
2	24	74.1	78.9	4.8	1
2	25	69.7	73.8	4.1	1
2	25	70	73.9	3.9	1
2	25	71.6	74.9	3.3	2
2	25	74	78	4	1
2	60	74.3	77.4	3.1	1
2	60	73.2	80.6	7.4	2
2	60	74.5	82.5	8	2
2	60	75	83.5	8.5	1
2	62	73.9	82.3	8.4	2
2	62	75.2	83.5	8.3	2
2	62	75.5	83.8	8.3	1
2	63	71.9	78	6.1	2
2	63	73.2	80.7	7.5	1
2	63	74.9	82.8	7.9	2
2	64	71.8	78	6.2	1
2	64	72.8	80.1	7.3	1
2	64	73.5	81.8	8.3	2
2	64	75.3	83.5	8.2	1
2	65	72.5	79.1	6.6	1
2	65	74.1	82.5	8.4	2
2	66	71.1	77.1	6	1
2	67	70.6	76.3	5.7	2
2	67	73.2	80.8	7.6	1
2	68	75.5	83.9	8.4	1
2	69	72.4	78.8	6.4	2
2	69	75.9	81	5.1	1
2	71	72.3	78.4	6.1	1
2	71	72.9	80.3	7.4	1
2	71	75.3	83.6	8.3	1
2	72	74	82.4	8.4	2
2	73	72.4	78.9	6.5	1
2	73	72.7	80	7.3	2
2	74	71.1	77.8	6.7	1
2	74	72.2	78.4	6.2	1
2	74	75.3	83.7	8.4	2
2	75	73.4	81.1	7.7	1
Averages	44.12	76.26866667	80.762	4.493333333	1