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I'm a bit confused about this. I have a model with multiple variables trying to explain the dependent variable. When I use the F test, I don't pass the critical value. But when I seperate the different variables and use the t-test, I do pass the critical value on 2 of the 3 variables. How is this possible? I thought the F test was to be used as a indicator: is any of the variables relevant. And I thought the t-test was to determine which one was relevant.

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marked as duplicate by whuber Nov 27 '18 at 22:06

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migrated from math.stackexchange.com Nov 27 '18 at 21:46

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  • $\begingroup$ what is the model and what are the variables $\endgroup$ – cmarangu Nov 22 '18 at 0:23