probability - What is the expected number of children until having …
Aug 5, 2023 · You can consider starting from position 1 for the difference of boys/girls and move up and down randomly with 50% probability until reaching zero. These type of walks have …
How to resolve the ambiguity in the Boy or Girl paradox?
Jul 4, 2023 · The net effect is that even if I don't know which one is definitely a boy, the other child can only be a girl or a boy and that is always and only a 1/2 probability (ignoring any biological …
Hypothesis testing: Fisher's exact test and Binomial test
Feb 9, 2022 · The result obtained with the Fisher's exact test ("no significant difference between the proportion of girls and boys who finds that the cake tastes good") seems to contradict the …
what is the difference between a two-sample t-test and a paired t …
May 16, 2021 · While I was glancing at hypothesis tests, I saw paired and two-sample t-test but couldn't understand the difference. For the explanation of these two tests, I saw the following …
Ideal BandPass Filter - Signal Processing Stack Exchange
Feb 7, 2015 · Because the off sets between translated copies of the top hat and the translation is half the top had width your function is a constant taking the value 2 except possibly at integer …
Why is gender typically coded 0/1 rather than 1/2, for example?
$\begingroup$ Using a 0/1 coding scheme is essentially useful when applying regression models among others, although several coding schemes are possible, e.g. -1/1 (but it will change the …
Interpretation of regression coefficients with multiple categorical ...
Sep 26, 2021 · It's the difference between the (predicted) mean of girls in girls-only schools and the (predicted) mean of girls in mixed schools. You can see this by looking at the design matrix …
should I use log or raw data in non parametric tests?
Mar 25, 2021 · If you only compare girls vs boys, Kruskall-Wallis test and Wilcoxon test should be equivalent. But anyway, as for the Wilcoxon test, the Kruskall-Wallis test is not affected by log …
How to measure the shift between two cumulative distribution …
Aug 23, 2017 · $\begingroup$ Orthogonal comments, picky if you like, but in graphics details can matter a lot. 1. Difficulty distinguishing red and green is a common problem many people have; …
Interpretation of Shapiro-Wilk test - Cross Validated
I'm pretty new to statistics and I need your help. I have a small sample, as follows: H4U 0.269 0.357 0.2 0.221 0.275 0.277 0.253 0.127 0...