Alpha = 0.01
Alpha = 0.025
Alpha = 0.10
Interactive F-Distribution ( Download Excel Program )


The F Distribution: Values of F (alpha = 0.05)
Enter a = 0.05 F-Stat 19.29629 0.05
Enter df1= 5 see below for more
Enter df2= 2 Degees of Freedom of the numerator df1
df2 1 2 3 4 5 6 7 8 9 10 df2
1 161.4462 199.4995 215.7067 224.5833 230.1604 233.9875 236.7669 238.8842 240.5432 241.8819 1
2 18.51276 19.00003 19.16419 19.24673 19.29629 19.32949 19.35314 19.37087 19.38474 19.39588 2
3 10.12796 9.552082 9.276619 9.117173 9.013434 8.940674 8.88673 8.845234 8.812322 8.785491 3
4 7.70865 6.944276 6.591392 6.388234 6.256073 6.163134 6.094211 6.041034 5.9988 5.964353 4
5 6.607877 5.786148 5.409447 5.192163 5.050339 4.950294 4.875858 4.818332 4.77246 4.735057 5
6 5.987374 5.143249 4.757055 4.533689 4.387374 4.283862 4.206669 4.146813 4.099007 4.059956 6
7 5.59146 4.737416 4.34683 4.120309 3.971522 3.865978 3.787051 3.725717 3.676675 3.636529 7
8 5.317645 4.458968 4.06618 3.837854 3.687504 3.580581 3.50046 3.438103 3.388124 3.347168 8
9 5.117357 4.256492 3.862539 3.63309 3.481659 3.373756 3.29274 3.229587 3.178897 3.137274 9
10 4.964591 4.102816 3.708266 3.47805 3.325837 3.217181 3.135469 3.071662 3.020382 2.97824 10
11 4.844338 3.982308 3.587431 3.356689 3.20388 3.094613 3.012332 2.947985 2.896222 2.853625 11
12 4.747221 3.88529 3.4903 3.25916 3.105875 2.996117 2.913353 2.848566 2.796376 2.753389 12
13 4.667186 3.805567 3.410534 3.179117 3.025434 2.915272 2.832095 2.76691 2.714359 2.671023 13
14 4.600111 3.73889 3.343885 3.112248 2.958245 2.847727 2.764196 2.69867 2.645791 2.602157 14
15 4.543068 3.682317 3.287383 3.055568 2.901295 2.790465 2.706628 2.640796 2.587626 2.543715 15
16 4.493998 3.633716 3.238867 3.006917 2.85241 2.741309 2.657195 2.591094 2.537668 2.493515 16
17 4.451323 3.591538 3.196774 2.964711 2.809998 2.698656 2.6143 2.547957 2.494289 2.449916 17
18 4.413863 3.554561 3.159911 2.927749 2.77285 2.661302 2.576719 2.510156 2.456282 2.411703 18
19 4.380752 3.52189 3.127354 2.895106 2.740059 2.628319 2.543537 2.476767 2.422702 2.377931 19
20 4.35125 3.492829 3.098393 2.866081 2.710891 2.598981 2.514014 2.447067 2.392817 2.347875 20
21 4.324789 3.466795 3.072472 2.840096 2.684779 2.572712 2.487582 2.420464 2.36605 2.320952 21
22 4.300944 3.443361 3.049124 2.816705 2.661274 2.549058 2.463771 2.396504 2.341935 2.296694 22
23 4.279343 3.42213 3.027999 2.795538 2.64 2.527656 2.442228 2.374811 2.320107 2.274724 23
24 4.259675 3.402832 3.008786 2.776289 2.620652 2.508187 2.422631 2.35508 2.300244 2.254737 24
25 4.241699 3.385196 2.991243 2.758711 2.602988 2.49041 2.404725 2.33706 2.2821 2.236476 25
26 4.2252 3.36901 2.975156 2.742595 2.586788 2.47411 2.388312 2.320526 2.265452 2.219718 26
27 4.210008 3.354131 2.960348 2.727766 2.571888 2.45911 2.373206 2.305313 2.250133 2.204295 27
28 4.195982 3.340389 2.946685 2.714074 2.558124 2.445262 2.359258 2.291266 2.235979 2.190042 28
30 4.170886 3.315833 2.922278 2.689632 2.533554 2.420521 2.334346 2.266162 2.210697 2.16458 30
40 4.08474 3.231733 2.838746 2.605972 2.449468 2.335852 2.249024 2.180172 2.124029 2.07725 40
50 4.03432 3.182606 2.79001 2.557179 2.400412 2.286434 2.199201 2.129923 2.073349 2.026141 50
60 4.001194 3.150411 2.758078 2.525212 2.368267 2.254055 2.166541 2.096968 2.040096 1.992593 60
120 3.920121 3.071776 2.680167 2.447237 2.289852 2.175007 2.086772 2.016428 1.958764 1.910461 120
100,000 3.841549 2.995819 2.604999 2.372019 2.214186 2.098687 2.009685 1.938506 1.879979 1.830799 100,000
0.05 see below for more
Degees of Freedom of the numerator df1
df2 11 12 13 14 15 16 17 18 19 20 df2
1 242.9806 243.9047 244.6905 245.3635 245.9492 246.4658 246.9169 247.3244 247.6881 248.0156 1
2 19.40498 19.41248 19.41885 19.42431 19.42908 19.43317 19.43704 19.44022 19.44318 19.44568 2
3 8.763323 8.744678 8.728648 8.714892 8.702841 8.692268 8.682889 8.674533 8.666973 8.660209 3
4 5.935817 5.911716 5.891138 5.873346 5.8578 5.844129 5.831964 5.821107 5.811359 5.802548 4
5 4.703963 4.677702 4.65522 4.63578 4.618755 4.603777 4.590447 4.578538 4.567823 4.558132 5
6 4.027441 3.999929 3.976368 3.955932 3.938055 3.922281 3.908269 3.895707 3.884409 3.874192 6
7 3.603034 3.574684 3.55034 3.529237 3.510735 3.494407 3.479869 3.466866 3.455142 3.444526 7
8 3.312948 3.283944 3.259018 3.237375 3.218403 3.201635 3.186699 3.173312 3.161247 3.150319 8
9 3.102485 3.072941 3.047546 3.025477 3.006107 2.988969 2.973692 2.960007 2.947651 2.93646 9
10 2.942954 2.912977 2.887177 2.864724 2.845013 2.827562 2.812008 2.798046 2.785441 2.774016 10
11 2.817927 2.787573 2.761418 2.738645 2.718636 2.700915 2.685098 2.670902 2.658084 2.646445 11
12 2.717329 2.686633 2.66018 2.637123 2.616851 2.598881 2.582837 2.568427 2.55541 2.543587 12
13 2.63465 2.603663 2.576925 2.55362 2.533113 2.514923 2.498673 2.484072 2.47087 2.458883 13
14 2.5655 2.534243 2.507264 2.483723 2.463004 2.444615 2.42818 2.413401 2.400036 2.387893 14
15 2.506809 2.475311 2.448111 2.424365 2.403446 2.384873 2.368267 2.353332 2.339817 2.327532 15
16 2.456368 2.424663 2.397258 2.373319 2.352223 2.333486 2.316725 2.30164 2.287983 2.27557 16
17 2.412563 2.380652 2.353062 2.328953 2.307694 2.2888 2.271893 2.25667 2.242892 2.230355 17
18 2.374158 2.34207 2.314302 2.290029 2.268621 2.249585 2.232547 2.217199 2.203297 2.190646 18
19 2.340208 2.307956 2.280032 2.255611 2.23406 2.214897 2.19773 2.182261 2.16825 2.155495 19
20 2.309989 2.277581 2.249514 2.224958 2.203272 2.183981 2.166701 2.151125 2.137007 2.124153 20
21 2.282917 2.25036 2.222158 2.197474 2.175668 2.156263 2.138872 2.123194 2.10898 2.096034 21
22 2.258517 2.225832 2.197503 2.172698 2.150777 2.131266 2.113772 2.097995 2.083688 2.070657 22
23 2.236419 2.203606 2.17516 2.150241 2.128218 2.1086 2.091014 2.075147 2.060752 2.047639 23
24 2.216311 2.183377 2.15482 2.129795 2.107676 2.087965 2.070284 2.054328 2.039858 2.026663 24
25 2.197929 2.164889 2.136229 2.111108 2.088889 2.069086 2.051323 2.035289 2.020741 2.007472 25
26 2.181068 2.147928 2.119165 2.093948 2.071644 2.051756 2.033914 2.017799 2.003176 1.989839 26
27 2.165542 2.132303 2.103448 2.078146 2.055756 2.03579 2.01787 2.001684 1.986994 1.973589 27
28 2.151197 2.117872 2.088932 2.06354 2.04107 2.021032 2.003038 1.986784 1.972026 1.958561 28
30 2.12556 2.092065 2.062961 2.037421 2.014804 1.994621 1.976495 1.960117 1.945235 1.931653 30
40 2.037581 2.003461 1.973756 1.947633 1.924462 1.90375 1.885113 1.868241 1.852893 1.83886 40
50 1.986056 1.951527 1.921428 1.894925 1.871385 1.850314 1.831335 1.814133 1.798465 1.784123 50
60 1.952213 1.917396 1.887017 1.860244 1.836437 1.815113 1.795886 1.778446 1.762547 1.747985 60
120 1.869289 1.833694 1.802555 1.775032 1.750497 1.728463 1.708543 1.690431 1.673879 1.65868 120
100,000 1.788745 1.752269 1.720254 1.69187 1.666486 1.643615 1.622873 1.603954 1.586606 1.570626 100,000
0.05
Degees of Freedom of the numerator df1
df2 21 22 23 24 25 30 40 60 120 10000 df2
1 248.3066 248.5795 248.8232 249.0524 249.2598 250.0965 251.1442 252.1956 253.2543 254.302 1
2 19.44818 19.45023 19.45227 19.45409 19.45568 19.4625 19.47069 19.4791 19.48729 19.4957 2
3 8.654013 8.648385 8.643269 8.638494 8.634117 8.616553 8.594384 8.571988 8.549364 8.52674 3
4 5.794533 5.787228 5.780521 5.774382 5.768698 5.745875 5.716998 5.687752 5.658109 5.628436 4
5 4.549321 4.541278 4.533916 4.527152 4.520899 4.495718 4.4638 4.431371 4.398458 4.365404 5
6 3.864898 3.8564 3.848612 3.84145 3.834842 3.808168 3.774289 3.7398 3.70467 3.6693 6
7 3.434863 3.426038 3.417952 3.410491 3.403613 3.375803 3.340432 3.304322 3.267445 3.230213 7
8 3.140372 3.131277 3.122935 3.11524 3.108134 3.079407 3.042778 3.005297 2.966928 2.928054 8
9 2.926257 2.916934 2.908365 2.900478 2.893174 2.863658 2.825928 2.787246 2.747527 2.707168 9
10 2.763599 2.754071 2.745317 2.737252 2.729784 2.699551 2.660855 2.621078 2.580123 2.538393 10
11 2.635836 2.626123 2.617199 2.608971 2.601361 2.570488 2.530903 2.490125 2.448026 2.405002 11
12 2.532808 2.522931 2.513858 2.50548 2.497728 2.46628 2.425878 2.384169 2.340997 2.296744 12
13 2.447941 2.437922 2.428699 2.420194 2.412321 2.380332 2.339178 2.296595 2.252413 2.206995 13
14 2.376815 2.366654 2.357304 2.348678 2.340691 2.308205 2.266347 2.222947 2.177813 2.131273 14
15 2.31632 2.306031 2.296566 2.287827 2.279727 2.246786 2.204274 2.160107 2.114056 2.066439 15
16 2.26423 2.253827 2.244249 2.235403 2.22721 2.193843 2.150713 2.105814 2.058897 2.010239 16
17 2.218897 2.208388 2.198711 2.189765 2.18148 2.147708 2.103999 2.05841 2.010662 1.961006 17
18 2.179085 2.168473 2.1587 2.149662 2.141292 2.107143 2.062883 2.016641 1.9681 1.917474 18
19 2.143835 2.133127 2.123265 2.114142 2.105686 2.071186 2.026411 1.979544 1.930239 1.878671 19
20 2.112401 2.101601 2.091653 2.082452 2.073918 2.039087 1.993818 1.946358 1.896318 1.843837 20
21 2.084189 2.073307 2.063281 2.054005 2.045397 2.010246 1.964516 1.916487 1.86574 1.812374 21
22 2.058727 2.04777 2.037666 2.028319 2.019647 1.984194 1.93802 1.889447 1.838018 1.783789 22
23 2.035634 2.024599 2.014424 2.005009 1.99627 1.960537 1.913939 1.864844 1.812761 1.757691 23
24 2.014584 2.003482 1.993239 1.983757 1.974961 1.938957 1.891955 1.842359 1.789644 1.733756 24
25 1.995321 1.984152 1.973845 1.964306 1.955449 1.919187 1.8718 1.821725 1.768395 1.711708 25
26 1.977625 1.966391 1.956025 1.946429 1.937515 1.901011 1.853255 1.802718 1.748795 1.69133 26
27 1.961311 1.950017 1.939593 1.929941 1.920974 1.884235 1.836128 1.78515 1.730651 1.672422 27
28 1.946223 1.934872 1.924391 1.914685 1.905669 1.86871 1.820265 1.768857 1.713801 1.654826 28
30 1.919204 1.907743 1.897163 1.887361 1.878249 1.840871 1.79179 1.739572 1.683453 1.623036 30
40 1.825978 1.814104 1.803123 1.792937 1.783459 1.744432 1.692797 1.637252 1.576609 1.50977 40
50 1.770946 1.758789 1.747534 1.737078 1.727344 1.687157 1.633682 1.575653 1.511472 1.43921 50
60 1.734591 1.722224 1.710767 1.700116 1.690191 1.649141 1.594273 1.534314 1.467267 1.390303 60
120 1.644668 1.631697 1.619656 1.608438 1.597957 1.554342 1.495202 1.429013 1.351887 1.255252 120
100,000 1.555847 1.542126 1.529346 1.517403 1.50621 1.459213 1.394086 1.318171 1.221569 1.024554 100,000