Selected percentiles from the t-distribution

 
                   Selected right tail areas with confidence levels underneath
         0.2000   0.1500   0.1000   0.0500   0.0250   0.0100   0.0050   0.0010   0.0005
conf lev 0.6000   0.7000   0.8000   0.9000   0.9500   0.9800   0.9900   0.9980   0.9990
  df     ----------------------------------------------------------------------------------
   1      1.376    1.963    3.078    6.314   12.706   31.821   63.657   318.31   636.62
   2      1.061    1.386    1.886    2.920    4.303    6.965    9.925   22.327   31.599
   3      0.978    1.250    1.638    2.353    3.182    4.541    5.841   10.215   12.924
   4      0.941    1.190    1.533    2.132    2.776    3.747    4.604    7.173    8.610
   5      0.920    1.156    1.476    2.015    2.571    3.365    4.032    5.893    6.869
   6      0.906    1.134    1.440    1.943    2.447    3.143    3.707    5.208    5.959
   7      0.896    1.119    1.415    1.895    2.365    2.998    3.499    4.785    5.408
   8      0.889    1.108    1.397    1.860    2.306    2.896    3.355    4.501    5.041
   9      0.883    1.100    1.383    1.833    2.262    2.821    3.250    4.297    4.781
  10      0.879    1.093    1.372    1.812    2.228    2.764    3.169    4.144    4.587
  11      0.876    1.088    1.363    1.796    2.201    2.718    3.106    4.025    4.437
  12      0.873    1.083    1.356    1.782    2.179    2.681    3.055    3.930    4.318
  13      0.870    1.079    1.350    1.771    2.160    2.650    3.012    3.852    4.221
  14      0.868    1.076    1.345    1.761    2.145    2.624    2.977    3.787    4.140
  15      0.866    1.074    1.341    1.753    2.131    2.602    2.947    3.733    4.073
  16      0.865    1.071    1.337    1.746    2.120    2.583    2.921    3.686    4.015
  17      0.863    1.069    1.333    1.740    2.110    2.567    2.898    3.646    3.965
  18      0.862    1.067    1.330    1.734    2.101    2.552    2.878    3.610    3.922
  19      0.861    1.066    1.328    1.729    2.093    2.539    2.861    3.579    3.883
  20      0.860    1.064    1.325    1.725    2.086    2.528    2.845    3.552    3.850
  21      0.859    1.063    1.323    1.721    2.080    2.518    2.831    3.527    3.819
  22      0.858    1.061    1.321    1.717    2.074    2.508    2.819    3.505    3.792
  23      0.858    1.060    1.319    1.714    2.069    2.500    2.807    3.485    3.768
  24      0.857    1.059    1.318    1.711    2.064    2.492    2.797    3.467    3.745
  25      0.856    1.058    1.316    1.708    2.060    2.485    2.787    3.450    3.725
  26      0.856    1.058    1.315    1.706    2.056    2.479    2.779    3.435    3.707
  27      0.855    1.057    1.314    1.703    2.052    2.473    2.771    3.421    3.690
  28      0.855    1.056    1.313    1.701    2.048    2.467    2.763    3.408    3.674
  29      0.854    1.055    1.311    1.699    2.045    2.462    2.756    3.396    3.659
  30      0.854    1.055    1.310    1.697    2.042    2.457    2.750    3.385    3.646
  40      0.851    1.050    1.303    1.684    2.021    2.423    2.704    3.307    3.551
  50      0.849    1.047    1.299    1.676    2.009    2.403    2.678    3.261    3.496
  75      0.846    1.044    1.293    1.665    1.992    2.377    2.643    3.202    3.425
 100      0.845    1.042    1.290    1.660    1.984    2.364    2.626    3.174    3.390
 200      0.843    1.039    1.286    1.653    1.972    2.345    2.601    3.131    3.340
1000      0.842    1.037    1.282    1.646    1.962    2.330    2.581    3.098    3.300