STATS 250 Lecture Notes - Lecture 7: Snoring, Binomial Test, Null Hypothesis
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STATS 250 Full Course Notes
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P-value measures how compatible is your data with ho. )f it"s not compatible under (o, then it is more likely to favor (a. If the p-value is small, you reject the null and go with the new theory. If the p-value is small, you reject the null hypothesis. You say your results are statistically significant at that level of significance that you picked up front. When p-value is not small, we fail to reject ho and say the results are not statistically significant. The picture of the p-value will be some probability that is under the model for your test statistic. If the results are so unusual that they will happen less than 10% of the time and ho the left. Same thing with right but shade to the right side. For the z model, it"s a normal curve. )f the direction is to the left, we"re going to shade wherever we"re at and shade to.