Statistical Sciences 1024A/B- Final Exam Guide - Comprehensive Notes for the exam ( 28 pages long!)
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29 Mar 2018
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S t a t i s t i c a l s c i e n c e s 1 0 2 4 a / b. What is statistics: science of learning data. Includes: descriptive statistics: mean, median, min, max, graphs, variance, 2 or 3-dim plots, statistical inference: with help from probability, make certain statements and findings or predictions. Where the data comes from matters: how data is collected and how to collect it, how it"s (cid:272)olle(cid:272)ted: Internet, telephone, etc: all transactions are able to be tracked no matter what service is being used, most belongs to observational studies, how to collect it, conduct experiments and surveys, could still be false information. Issues with observational studies: biases, fake data, malfunction in equipment, etc, missing values, why not do experiments/surveys always, need money and resources, unless using volunteers, so(cid:373)eti(cid:373)es (cid:455)ou are u(cid:374)a(cid:271)le to (cid:272)o(cid:374)du(cid:272)t the e(cid:454)peri(cid:373)e(cid:374)t (cid:894)diffi(cid:272)ult/wo(cid:374)"t work(cid:895).