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  1. 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 …

  2. Expected number of ratio of girls vs boys birth - Cross Validated

    Apr 16, 2014 · Thanks to the answers I now understand why the ratio would be 1:1, which originally sounds counter intuitive to me. One of the reason for my disbelief and confusion is that, I know …

  3. Sample notation: When to use capital $N$ vs lowercase $n$?

    Jan 10, 2024 · Use standard type for Greek letters, subscripts and superscripts that function as identifiers (i.e., are not variables, as in the subscript “girls” in the example that follows), and …

  4. 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 …

  5. probability - What is the expected number of children until having the ...

    Aug 5, 2023 · A couple decides to keep having children until they have the same number of boys and girls, and then stop. Assume they never have twins, that the "trials" are independent with probability …

  6. 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

  7. 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 …

  8. 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?

  9. 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 …

  10. 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 …