BUS 215 Lecture Notes - Lecture 1: Poisson Distribution, Hypergeometric Distribution, Quartile

• School: Stony Brook University
• Department: Business Management
• Course: BUS 215
• Professor: Aaron Young- Shin Kim

Document Summary

Mode (array function for multiple modes; highlight output range and use ctrl-shift- Quartile k (old excel method)* e. g. , k = 3. Percentile p (old excel method)* e. g. , p = . 25 percentile(data, p) Standardize an x value (use sample mean and standard deviation if and unknown) *see chapter 4 section 4. 5 for explanation of interpolation methods fo(cid:396) pe(cid:396)(cid:272)e(cid:374)tiles a(cid:374)d (cid:395)ua(cid:396)tiles. E(cid:454)(cid:272)el"s old method was rather unconventional, while its new method agrees with mainstream statistical packages. Inverse cdf: returns z for p(z z(cid:895) = . Inverse cdf: returns x for p(x x) = . Inverse cdf: returns t0 for p(t t0) = . =1-tdist(t0, df, 1) only if t0 > 0. Inverse cdf: returns f0 for p(f f0) = . Critical z value for left-tailed test at . Critical z value for right-tailed test at . Critical z values for two-tailed test at . Critical value of t for left-tailed test at . Critical value of t for right-tailed test at .