by cyang3 | Jan 19, 2021 | MATH 4/6635, Teachng
Basic statistical competence involves the following components: data awareness, an understanding of certain basic statistical concepts and terminology, knowledge of the basics of collecting data and generating descriptive statistics, basic interpretation skills (the...
by cyang3 | May 22, 2016 | STAT 200
I record all the tricks here to determine a qualitative (categorical), quantitative, nominal, ordinal, discrete, and continuous variable. First, two main groups of variables are qualitative and quantitative. In order to distinguish them, the criterion is “Can...
by cyang3 | May 10, 2016 | Teachng
STATISTICS 200.103 SUMMER 2016 – ELEMENTARY STATISTICS Instructor: Ching-Chi Yang Email address: cuy130@psu.edu Office Hours: MW 2:30-3:30pm; or by appointment Office Location: 301 Thomas Building Teaching Assistant: Benjamin Straub Email address: bbs5179@psu.edu TA...
by cyang3 | Nov 13, 2015 | STAT 200
I want to discuss a question popped up from my student when I was teaching how to find five-number summary. The case is simple, if we have only five number, (say 1, 2, 3, 4, and 5), what is the reason that calculators and the algorithm did not provide the five number...
by cyang3 | Oct 8, 2015 | STAT 200
I always tell students that the interpretation of 95% confidence interval, (a, b), should be as follows, Base on the same sampling procedure. I repeat the procedure 100 times, For each sample, a related confidence interval is calculated. (The interval may be different...