Near the end of a 3-year longitudinal project introducing beginning inference, Grade 6 students participated in an activity that gave them the opportunity to answer a question based on comparing two groups, the type of question that would be introduced in a beginning tertiary level statistics ...
Social statistics and quantitative dataanalysisare key tools for understanding society and social change. We can try to capture people's attitudes and map patterns in behavior and circumstances using numbers and also describe how people and populations change. 以下是我专门写给“文科生”的统计学笔记 (...
moreinvolvedstatistics,asweshallseeinthisclass.2 Independentanddependentsamples •Twoindependentrandomsamples:–Twosubsamples,eachwithameanscoreforsomeothervariable –example:Comparisonsofworkhoursbyraceorsex–example:Comparisonofearningsbymaritalstatus •Twodependentrandomsamples:–Twoobservationsarebeingcomparedfor...
Sample size for a two-group comparison of repeated binary measurements using GEE Controlled clinical trials often randomize subjects to two treatment groups and repeatedly evaluate them at baseline and intervals across a treatment perio... SH Jung,CW Ahn - 《Statistics in Medicine》 被引量: 37发表...
The purpose of this paper is to elucidate possible reasons for the difference in the number of foreign residents in Japan in 2000, with respect to the two major population statistics: the population census and statistics on registered foreigners. Based on an examination of the ratios calculated fr...
This paper is a compendium of exact and asymptotic formulae and tables for estimating the sample size in a clinical trial with two treatment groups and a d... H Sahai,A Khurshid - 《Statistics in Medicine》 被引量: 182发表: 1996年 Statistics and ethics in medical research. VII--Interpreti...
Open the data set BOLT.SAV and select Analyze/Descriptive Statistics/ Explore. . . . 2. Add Length to the Dependent List. 3. Click OK, and the output includes the information in Table 3.2. Two-Sample t-Test The two-sample (independent groups) t-test is used to determine whether the ...
T-tests were used to evaluate statistical significance between experiments with two sets of data. To evaluate statistical significance when more than two groups were compared or datasets contained two independent variables, one- and two-way ANOVAs, respectively, were used with Tukey’s, Dunnett’s...
With this topic you will apply these techniques in the more interesting case of analyzing, comparing, and contrasting distributions from two or more groups simultaneously. 展开 关键词: Mathematics and Statistics DOI: 10.1007/978-1-4757-2926-9_6 被引量: 57 ...
Live Streaming Statistics Many businesses are using live streamingprovidersto reach their audience in a way that is both engaging and entertaining. Let’s review a few live streaming statistics that truly demonstrate the growing value of the online video streaming industry: ...