Using a table to estimate P-value from t statistic | AP Statistics | Khan Academy



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Example of how to use a t table to estimate a P-value.

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29 Comments

  1. very strange! value is lower than .05 than her significance of data is .94, ;.05 chance that her data to be random. than she can reject her null hypothesis and her alternative hypothesis to be true. Khan miscued

  2. Thank you, Sal and everyone in the Khan Academy. You guys are doing a wonderful job for people like us who belong to marginalized communities.Someday in future, I also look forward to contributing for this noble cause❤

  3. I am taking a medical masteral class and is "forced" to take statistics as a requisite. This thing is not my forte` and I find it difficult. I have read 2 books about it and achieved nominal improvement….darn. Your video is quite helpful and I thank you for uploading it.

  4. You can add to say that Hypothesis testing is based on Alternative Hypothesis and here Ha -> is mean not equal to 0, ( could be less than 0 or could be higher than 0) means that it's two tailed. Also to mention when variance is unknown we use t dist.

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