2014年2月12日 · same as title, what does it represents? I know alpha is the percentile we are trying to reach. such as if we are trying to get to 95% CI , then 0.05 would be 1-alpha . the …

2017年4月19日 · So the problem is the following: We have to use a proof by cases, one with an even number of observations and one with an odd number of observations in our sample, that …

2018年6月3日 · Two comments on trimmed means (illustrated in R) that may be helpful. Fifty percent trimmed mean is median: If the fraction trimmed from each tail is nearly 1/2, the …

2024年12月13日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

2021年7月14日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

Calculate test statistics; Calculate p-value of test statistic. Compare p-value to the significance level $\alpha$. However, you can also do hypothesis tests in a slightly different way: Calculate …

To get a measure of reliability compute a confidence interval. $\alpha=0.05$ is the most traditional choice. $\endgroup$ – André Nicolas Commented Dec 12, 2014 at 5:30

2020年12月24日 · Statisticians call this cutoff point the significance level of a test and usually denote it with the Greek letter $\alpha$ (alpha). For example, if $\alpha = 0.05$ we say we are …

2016年4月14日 · These are critical values for a hypothesis test conducted at a significance level $\alpha$.. When we say "critical value," what this refers to is a sort of "boundary" or criterion …

Within the Neyman-Pearson framework, one can set $\alpha$ arbitrarily close to 0 at the expense of the power of the statistical test $1-\beta$, however, as far as I understand, one can not set …