PSTAT 109 Study Guide - Comprehensive Midterm Guide: V Speeds, Variance, Poisson Point Process

• School: UCSB
• Department: Statistics & Applied Probability
• Course: PSTAT 109
• Professor: chavez

Document Summary

Iqr mean note: stem leaf plot boxplot (use calculator to plot but remember to find outliers: put in ascending order, compute quartiles, q1, q3, iqr (q3-q1), 1. 5iqr. 3. interval that excludes outliers is (q1 1. 5 iqr, q3 + 1. 5 iqr) empirical rule. 2 frequency table cumulative frequency table sample statistics data x s2 s x. 6 classes (with range): use class marks f. 12 ex: 1-3, 3-5, 5-7; (fx2)(fx4) mean = ()/f, (1(6)+2(25)++5(12))/82 median = (p/100)n = i mode = 90th percentile = (p/100)n = i population parameters. 72 sample statistics data x s2 s: put in ascending order, compute quartiles, q1, q3, iqr (q3-q1), 1. 5iqr. 6. interval that excludes outliers is (q1 1. 5 iqr, q3 + 1. 5 iqr) empirical rule. 99. 7% within ( -3 , +3 ) rules of probability: p(a) + p(ac) = 1, p(aub) = p(a) + p(b) - p(a b, p(a/b) = p(a b)/p(b) P(b/a) = p(a b)/p(a: p(a b) = p(b) x p(a/b)