Hypothesis testing: Fisher's exact test and Binomial test
Feb 9, 2022 · Considering the population of girls with tastes disorders, I do a binomial test with number of success k = 7, number of trials n = 8, and probability of success p = 0.5, to test my null hypothesis …
Expected number of ratio of girls vs boys birth - Cross Validated
Apr 15, 2014 · Expected girls from one couple$ {}=0.5\cdot1 + 0.25\cdot1 =0.75$ Expected boys from one couple$ {}=0.25\cdot1 + 0.25\cdot2 =0.75$ 1 As I said this works for any reasonable rule that …
Sample notation: When to use capital $N$ vs lowercase $n$?
Jan 10, 2024 · In statistics and psychological research, what is denoted by capital N N vs lowercase n n? I work in psychological research and I've seen them used in two ways: Capital N N represents the …
How to resolve the ambiguity in the Boy or Girl paradox?
Jul 4, 2023 · 1st 2nd boy girl boy seen boy boy boy seen girl boy 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 …
self study - Probability of having 2 girls and probability of having at ...
Aug 18, 2017 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 8 years, 3 months ago Modified 8 years, 3 months ago
probability - What is the expected number of children until having at ...
Apr 1, 2018 · Source: (Harvard Statistics 110: see #17, p. 29 of pdf). A couple decides to keep having children until they have at least one boy and at least one girl, and then stop. Assume they never …
what is the difference between a two-sample t-test and a paired t-test
May 16, 2021 · When you use a paired T-test, you are essentially doing a one-sample test, where your one sample consists of the paired differences between outcomes in two groups. If you create a new …
probability - How many ways can 5 people sit around a table - can ...
Mar 2, 2017 · A probability problem: In how many different ways can 5 people sit around a round table? Is the symmetry of the table important? Answer: If the symmetry of the table is not taken into account …
should I use log or raw data in non parametric tests?
Mar 25, 2021 · I would like to run wilcoxon rank sum test to see if there are differences between boys and girls in each age group in regards to antibody levels. Should I continue to use log10 or raw values?
regression - Building a linear model for a ratio vs. percentage ...
Echoing the first answer. Don't bother to convert - just model the counts and covariates directly. If you do that and fit a Binomial (or equivalently logistic) regression model to the boy girl counts you will, if you …