Finding F-critical values for two samples of 117

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k_squared
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I'm in elementry statistics. For my paper, I have to do a hypothesis test that the variances for two samples with a count of 117 are equal. Easy enough, but I can't find any way of getting the f-critical values. NONE of the tables I've found with, say, 120 in it, has a left side. Thanks for any help...
 
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By "left" do you mean "F < 0"? If so that should not surprise you. By definition, F > 0.