Student's T for 18 Degrees of Freedom

This table gives the area to the left of the specified 't' value.

t	0.00	0.01	0.02	0.03	0.04	0.05	0.06	0.07	0.08	0.09
-3.60	0.0010	0.0010	0.0010	0.0010	0.0009	0.0009	0.0009	0.0009	0.0009	0.0008
-3.50	0.0013	0.0013	0.0012	0.0012	0.0012	0.0011	0.0011	0.0011	0.0011	0.0010
-3.40	0.0016	0.0016	0.0015	0.0015	0.0015	0.0014	0.0014	0.0014	0.0013	0.0013
-3.30	0.0020	0.0019	0.0019	0.0019	0.0018	0.0018	0.0017	0.0017	0.0017	0.0016
-3.20	0.0025	0.0024	0.0024	0.0023	0.0023	0.0022	0.0022	0.0021	0.0021	0.0020
-3.10	0.0031	0.0030	0.0030	0.0029	0.0028	0.0028	0.0027	0.0027	0.0026	0.0025
-3.00	0.0038	0.0038	0.0037	0.0036	0.0035	0.0034	0.0034	0.0033	0.0032	0.0032
-2.90	0.0048	0.0047	0.0046	0.0045	0.0044	0.0043	0.0042	0.0041	0.0040	0.0039
-2.80	0.0059	0.0058	0.0057	0.0055	0.0054	0.0053	0.0052	0.0051	0.0050	0.0049
-2.70	0.0073	0.0072	0.0070	0.0069	0.0067	0.0066	0.0064	0.0063	0.0062	0.0060
-2.60	0.0090	0.0089	0.0087	0.0085	0.0083	0.0081	0.0080	0.0078	0.0076	0.0075
-2.50	0.0112	0.0109	0.0107	0.0105	0.0103	0.0100	0.0098	0.0096	0.0094	0.0092
-2.40	0.0137	0.0134	0.0132	0.0129	0.0126	0.0124	0.0121	0.0119	0.0116	0.0114
-2.30	0.0168	0.0165	0.0161	0.0158	0.0155	0.0152	0.0149	0.0146	0.0143	0.0140
-2.20	0.0206	0.0201	0.0197	0.0194	0.0190	0.0186	0.0182	0.0179	0.0175	0.0172
-2.10	0.0250	0.0246	0.0241	0.0236	0.0232	0.0227	0.0223	0.0218	0.0214	0.0210
-2.00	0.0304	0.0298	0.0293	0.0287	0.0282	0.0276	0.0271	0.0266	0.0260	0.0255
-1.90	0.0368	0.0361	0.0354	0.0348	0.0341	0.0335	0.0328	0.0322	0.0316	0.0310
-1.80	0.0443	0.0435	0.0427	0.0419	0.0412	0.0404	0.0397	0.0389	0.0382	0.0375
-1.70	0.0532	0.0522	0.0513	0.0504	0.0495	0.0486	0.0477	0.0468	0.0460	0.0451
-1.60	0.0635	0.0624	0.0613	0.0602	0.0592	0.0581	0.0571	0.0561	0.0551	0.0541
-1.50	0.0755	0.0742	0.0729	0.0717	0.0705	0.0693	0.0681	0.0669	0.0658	0.0646
-1.40	0.0893	0.0878	0.0863	0.0849	0.0835	0.0821	0.0808	0.0794	0.0781	0.0768
-1.30	0.1050	0.1033	0.1017	0.1001	0.0985	0.0969	0.0953	0.0938	0.0922	0.0907
-1.20	0.1228	0.1210	0.1191	0.1173	0.1154	0.1137	0.1119	0.1101	0.1084	0.1067
-1.10	0.1429	0.1408	0.1387	0.1367	0.1346	0.1326	0.1306	0.1286	0.1267	0.1248
-1.00	0.1653	0.1629	0.1606	0.1583	0.1561	0.1538	0.1516	0.1494	0.1472	0.1450
-0.90	0.1900	0.1874	0.1849	0.1823	0.1798	0.1773	0.1749	0.1725	0.1700	0.1676
-0.80	0.2171	0.2143	0.2115	0.2087	0.2060	0.2032	0.2005	0.1979	0.1952	0.1926
-0.70	0.2464	0.2434	0.2404	0.2374	0.2344	0.2315	0.2285	0.2256	0.2228	0.2199
-0.60	0.2780	0.2747	0.2715	0.2683	0.2651	0.2620	0.2588	0.2557	0.2526	0.2495
-0.50	0.3116	0.3081	0.3047	0.3013	0.2979	0.2945	0.2912	0.2879	0.2846	0.2813
-0.40	0.3469	0.3433	0.3397	0.3361	0.3326	0.3290	0.3255	0.3220	0.3185	0.3150
-0.30	0.3838	0.3801	0.3763	0.3726	0.3689	0.3652	0.3615	0.3579	0.3542	0.3506
-0.20	0.4219	0.4180	0.4142	0.4103	0.4065	0.4027	0.3989	0.3951	0.3913	0.3876
-0.10	0.4607	0.4568	0.4529	0.4490	0.4451	0.4412	0.4373	0.4335	0.4296	0.4257
0.00	0.5000	0.4961	0.4921	0.4882	0.4843	0.4803	0.4764	0.4725	0.4686	0.4646
0.00	0.5000	0.5039	0.5079	0.5118	0.5157	0.5197	0.5236	0.5275	0.5314	0.5354
0.10	0.5393	0.5432	0.5471	0.5510	0.5549	0.5588	0.5627	0.5665	0.5704	0.5743
0.20	0.5781	0.5820	0.5858	0.5897	0.5935	0.5973	0.6011	0.6049	0.6087	0.6124
0.30	0.6162	0.6199	0.6237	0.6274	0.6311	0.6348	0.6385	0.6421	0.6458	0.6494
0.40	0.6531	0.6567	0.6603	0.6639	0.6674	0.6710	0.6745	0.6780	0.6815	0.6850
0.50	0.6884	0.6919	0.6953	0.6987	0.7021	0.7055	0.7088	0.7121	0.7154	0.7187
0.60	0.7220	0.7253	0.7285	0.7317	0.7349	0.7380	0.7412	0.7443	0.7474	0.7505
0.70	0.7536	0.7566	0.7596	0.7626	0.7656	0.7685	0.7715	0.7744	0.7772	0.7801
0.80	0.7829	0.7857	0.7885	0.7913	0.7940	0.7968	0.7995	0.8021	0.8048	0.8074
0.90	0.8100	0.8126	0.8151	0.8177	0.8202	0.8227	0.8251	0.8275	0.8300	0.8324
1.00	0.8347	0.8371	0.8394	0.8417	0.8439	0.8462	0.8484	0.8506	0.8528	0.8550
1.10	0.8571	0.8592	0.8613	0.8633	0.8654	0.8674	0.8694	0.8714	0.8733	0.8752
1.20	0.8772	0.8790	0.8809	0.8827	0.8846	0.8863	0.8881	0.8899	0.8916	0.8933
1.30	0.8950	0.8967	0.8983	0.8999	0.9015	0.9031	0.9047	0.9062	0.9078	0.9093
1.40	0.9107	0.9122	0.9137	0.9151	0.9165	0.9179	0.9192	0.9206	0.9219	0.9232
1.50	0.9245	0.9258	0.9271	0.9283	0.9295	0.9307	0.9319	0.9331	0.9342	0.9354
1.60	0.9365	0.9376	0.9387	0.9398	0.9408	0.9419	0.9429	0.9439	0.9449	0.9459
1.70	0.9468	0.9478	0.9487	0.9496	0.9505	0.9514	0.9523	0.9532	0.9540	0.9549
1.80	0.9557	0.9565	0.9573	0.9581	0.9588	0.9596	0.9603	0.9611	0.9618	0.9625
1.90	0.9632	0.9639	0.9646	0.9652	0.9659	0.9665	0.9672	0.9678	0.9684	0.9690
2.00	0.9696	0.9702	0.9707	0.9713	0.9718	0.9724	0.9729	0.9734	0.9740	0.9745
2.10	0.9750	0.9754	0.9759	0.9764	0.9768	0.9773	0.9777	0.9782	0.9786	0.9790
2.20	0.9794	0.9799	0.9803	0.9806	0.9810	0.9814	0.9818	0.9821	0.9825	0.9828
2.30	0.9832	0.9835	0.9839	0.9842	0.9845	0.9848	0.9851	0.9854	0.9857	0.9860
2.40	0.9863	0.9866	0.9868	0.9871	0.9874	0.9876	0.9879	0.9881	0.9884	0.9886
2.50	0.9888	0.9891	0.9893	0.9895	0.9897	0.9900	0.9902	0.9904	0.9906	0.9908
2.60	0.9910	0.9911	0.9913	0.9915	0.9917	0.9919	0.9920	0.9922	0.9924	0.9925
2.70	0.9927	0.9928	0.9930	0.9931	0.9933	0.9934	0.9936	0.9937	0.9938	0.9940
2.80	0.9941	0.9942	0.9943	0.9945	0.9946	0.9947	0.9948	0.9949	0.9950	0.9951
2.90	0.9952	0.9953	0.9954	0.9955	0.9956	0.9957	0.9958	0.9959	0.9960	0.9961
3.00	0.9962	0.9962	0.9963	0.9964	0.9965	0.9966	0.9966	0.9967	0.9968	0.9968
3.10	0.9969	0.9970	0.9970	0.9971	0.9972	0.9972	0.9973	0.9973	0.9974	0.9975
3.20	0.9975	0.9976	0.9976	0.9977	0.9977	0.9978	0.9978	0.9979	0.9979	0.9980
3.30	0.9980	0.9981	0.9981	0.9981	0.9982	0.9982	0.9983	0.9983	0.9983	0.9984
3.40	0.9984	0.9984	0.9985	0.9985	0.9985	0.9986	0.9986	0.9986	0.9987	0.9987
3.50	0.9987	0.9987	0.9988	0.9988	0.9988	0.9989	0.9989	0.9989	0.9989	0.9990
3.60	0.9990	0.9990	0.9990	0.9990	0.9991	0.9991	0.9991	0.9991	0.9991	0.9992