number of successes (or x) probability of success. = probability of failure. 1. = 1. Binomial probability distribution. ( ). Mean: Standard deviation:. |
EC124 Statistical Techniques B: Formula Sheet. Descriptive Statistics. Sample (n observations). Population (N observations). Mean. ¯x = n. P i=1 xi n. µ = N. P. |
Page 1. Formulas and Tables for AP Statistics. I. Descriptive Statistics. 1 i i x x x n n. ∑. = ∑ = (. ) (. )2. 2. 1. 1. 1 i x i x. |
3: Descriptive Statistics. Ch. 7: Confidence Intervals (one population). Σχ x= Mean. Σf.x. Σξ. Mean (frequency table). Standard deviation. p-E<p<p + E ... |
For a normal distribution 68% of the observations are in μ ± 1σ, 95% are in μ ± 2σ, and almost all (99.7%) are in μ ± 3σ. Normal Distribution. For −∞ <x< ∞. |
Table entry for C is the critical value t∗ required for confidence level C. To approximate one- and two-sided P- values, compare the value of the t statistic. |
This document contains a formula sheet with statistical formulas organized into several sections: 1) Descriptive statistics formulas including formulas for ... |
The document provides formulae for various descriptive statistics, correlation coefficients, regression analysis, hypothesis testing, and the chi-squared test. |
Any medical information in this material is intended to inform and educate and is not a tool for self-diagnosis or a replacement for medical evaluation, ... |
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