Basic statistics formulas cheat sheet
[PDF File]Basic Statistics Formulas - Integral Table
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Basic Statistics Formulas Population Measures Mean = 1 n X x i (1) Variance ˙2 = 1 n X (x i x)2 (2) Standard Deviation ˙= r 1 n X (x i x)2 (3) Sampling Sample mean x= 1 n X x i (4) Sample variance s2 x = 1 n 1 X (x i x)2 (5) Std. Deviation s x = r 1 n 1 X (x i x)2 (6) z-score z= x ˙ (7) Correlation r= 1 n 1 Xn i=1 (x i x) s x (y i y) s y (8 ...
[PDF File]FORMULAS FROM EPIDEMIOLOGY KEPT SIMPLE (3e) Chapter …
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Macintosh HD:Users:buddygerstman:Dropbox:eks:formula_sheet.doc Page 3 of 7 3.2 Measures of Association (Measures of Effect) Notation and terminology: Concepts apply to incidence proportions, incidence rates, and prevalence proportions, all of which will be loosely called “rates.” Let R 1 represent the rate or risk of disease in the
[PDF File]Statistical methods, Formula sheet for final exam
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Statistical methods, Formula sheet for final exam Combinatorics • Number of ways to choose k out of n objects: n k! = n(n−1)···(n−k +1) k! = n!
[PDF File]www.cheat-sheets.org
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Created Date: 10/25/2007 9:57:31 PM
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Microsoft Word - Statistics Cheat Sheet2.docx Author: Helen Yang Created Date: 6/4/2009 11:56:03 AM ...
[PDF File]Frequently Used Statistics Formulas and Tables
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Two Sample Confidence Intervals and Tests of Hypotheses Difference of Proportions ( )pp 12− 12 12 12 11 2 2 /2 12 1 1 1 2 2 2 1 12 2 12 12 12 Confidence Interval:
[PDF File]TABLES AND FORMULAS FOR MOORE Basic Practice of Statistics
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TABLES AND FORMULAS FOR MOORE Basic Practice of Statistics Exploring Data: Distributions • Look for overall pattern (shape, center, spread) and deviations (outliers). • Mean (use a calculator): x = x1 +x2 +···+xn n = 1 n! xi • Standard deviation (use a calculator): s = 1 n−1 (xi −x)2• Median: Arrange all observations from smallest to largest.
[PDF File]Statistics Cheat Sheet - Blast Analytics & Marketing
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Statistics Cheat Sheet Basic Statistics Definitions: Statistics – Practice or science of collecting and analyzing numerical data Data – Values collected by direct or indirect observation Population – Complete set of all observations in existence Sample – Slice of population meant to represent, as accurately as possible, that population
[PDF File]MAT1272 Statistics Formula Sheet - City Tech
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MAT1272 Statistics Formula Sheet LXW Weighted Mean = L w Median = ... Chapter 3 - Creating Summary Statistics . This is useful to calculate the mean, the sum of the data values ( L. x ), the sum of the squares of the . data values ( LX. 2 2), the sample standard deviation ( s . 2 ),
[PDF File]TI 83/84 Calculator The Basics of Statistical Functions
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TI 83/84 Calculator – The Basics of Statistical Functions What you want to do >>> Put Data in Lists Get Descriptive Statistics Create a histogram, boxplot, scatterplot, etc. Find normal or binomial probabilities Confidence Intervals or ... sheet …
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