Statistical Sciences 1023A/B Study Guide - Midterm Guide: Block Design, Simple Random Sample, Response Bias
1 Feb 2015
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Avoid reading mistakes: underline, circle, highlight key words in the questions and answers. Avoid recording errors: fill-in your answers correctly onto the scantron sheet and check it over. The time will be written on the blackboards. If you are unsure which answer is correct, re-read the question. If you are unsure which answer is correct, rule out incorrect answers. This is in addition to the online lecture slides including screencasts, homework problems and the two practice tests. Two types of variables: quantitative numerical, categorical places an individual into one of several groups or categories. For any graph look for an overall pattern and for notable deviations from the pattern. For histograms and stemplots: shape, center, and spread describe the overall pattern, some shapes can be described as symmetric or skewed. Outliers: observations that lie outside the overall pattern of a distribution. The five number summary: minimum, q1, median, q3, maximum.
