Girls let boys suck there toes. Assume they never have twins, that the "trials" are independent with probability 1/2 of a boy, and that they are fertile enough to keep producing children indefinitely. An unreasonable rule would be one in which the expected children per couple was infinite. Assume they never have twi I think this question is best considered as two questions confounded. Apr 16, 2014 · Expected girls from one couple$ {}=0. May 23, 2019 · Usually, we use ANOVA if there are more than two groups. 29 of pdf). , log, GLM, WLS). 5, to test my null hypothesis H0 = "my cake tastes good for no more than 50% of the population of girls with taste disorders". But you also can use ANOVA with two groups, as you describe. See this R code: # Makes example reproducible set. e. The smaller question is why use 1 for male and 0 for female, to which one short answer is that many other codings are in use, including the opposite of 1 for female, etc. Jan 10, 2024 · Use standard type for Greek letters, subscripts and superscripts that function as identifiers (i. , are not variables, as in the subscript “girls” in the example that follows), and abbreviations that are not variables (e. 25\cdot2 =0. 5\cdot1 + 0. Aug 18, 2017 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 8 years ago Modified 8 years ago 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. 25\cdot1 + 0. , and also various complex codings allowing for unknown . Aug 5, 2023 · A couple decides to keep having children until they have the same number of boys and girls, and then stop. g. Use italic type for all other statistical symbols. 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. 25\cdot1 =0. A couple decides to keep having children until they have at least one boy and at least one girl, and then stop. 75$ 1 As I said this works for any reasonable rule that could exist in the real world. seed(1) # define sample size n <- 100 # generate a group group <- sample(0:1, n, replace= TRUE) # generate a dependent variable that varies 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 the Apr 1, 2018 · Source: (Harvard Statistics 110: see #17, p. The larger question is why use 0-1 coding rather than any other for an indicator or dummy variable. If you create a new sample of these difference values and then apply the formula for a one-sample T-test, you will see that this is equivalent to the paired test. In that case ANOVA will result in the same conclusion as an Student's t test, where . 75$ Expected boys from one couple$ {}=0. Use bold type for symbols for vectors and matrices. fskdlzn wae hvutupq zhdv hmcv mbq fbsij qoafk gduytt qdb