118 Intuitive explanation for dividing by $n-1$ when calculating standard deviation? 117 What are common statistical sins? 63 When are Log scales appropriate? 35 Interpretation of p-value in hypothesis testing 24 Why does frequentist hypothesis testing become biased towards rejecting the null hypothesis with sufficiently large samples?

### Reputation (9,405)

 +20 Intuitive explanation for dividing by $n-1$ when calculating standard deviation? +10 Do I need a Bonferroni correction? +10 Using multiple comparisons corrections in Fisher p-value framework +10 ANOVA terminology: “repeated measures” vs. “within/between subjects”

### Questions (8)

 20 If the likelihood principle clashes with frequentist probability then do we discard one of them? 16 Optional stopping rules not in textbooks 16 Sequential hypothesis testing in basic science 15 What statistical methods are archaic and should be omitted from textbooks? [closed] 5 Statement of result for binomial confidence intervals

### Tags (134)

 219 hypothesis-testing × 46 118 faq 118 teaching × 3 116 p-value × 23 118 standard-error 109 statistical-significance × 27 118 bessels-correction 92 confidence-interval × 19 118 intuition 76 data-visualization × 5

### Bookmarks (2)

 57 Are all values within a 95% confidence interval equally likely? 18 What is the relationship between profile likelihood and confidence intervals?