http://www.commres.net/ 2026-04-17T09:55:18+00:00 http://www.commres.net/ http://www.commres.net/_media/wiki/logo.png text/html 2022-05-15T02:25:53+00:00 Anonymous (anonymous@undisclosed.example.com) http://www.commres.net/c/ms/2017/schedule/week03?rev=1652581553&do=diff ㄹ Week 3 내용 SPSS Chapter 3, Chapter 4 * SPSS * Table 3.1 data file. for SPSS, excel format, see the below. * Explanation: Read the textbook for yourself (Chapter 3) * frequency distribution * histogram * stem and leaf display. * watch How to create a Stem and Leaf Plot in Microsoft Excel * $ s^2 $$ \sigma^2 $$ \displaystyle S_x^2 = \displaystyle \frac {\Sigma X^2 - \frac{(\Sigma X)^2}{N} } {N-1} $$ \displaystyle \sigma_x^2 = \displaystyle \frac {\Sigma X^2 - \frac{(\Sig… text/html 2017-04-14T03:34:00+00:00 Anonymous (anonymous@undisclosed.example.com) http://www.commres.net/c/ms/2017/schedule/week07?rev=1492140840&do=diff ANOVA Read ANOVA for the logics of ANOVA also read: Oneway ANOVA R Eysenck는 (1974) 단어자료를 기억하는 정도는 단어를 외울 때 사용한 처리방법에 따라서 다르게 나타날 것이라고 예측 (p. 426) 55-65세 50명을 다섯 그룹에 무작위배치(random assignment) text/html 2017-06-15T00:32:35+00:00 Anonymous (anonymous@undisclosed.example.com) http://www.commres.net/c/ms/2017/schedule/week15?rev=1497486755&do=diff <https://goo.gl/forms/x7NUmOxm2DxKmpd62> two sample t-test x1 <- rnorm(10, mean=100, sd=15) x1 t.test(x1, mu=95) * What is the std error value? * What if you have a sample with a large size? * How do you get your se? ster <- sd(x1)/sqrt(length(x1)) difx <- mean(x1)-95 tvalue <- difx/ster difx ster tvalue