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A Student’s Guide to Interpreting SPSS Output for Basic Analyses. These slides give examples of SPSS output with notes about interpretation. All analyses were conducted using the Family Exchanges Study, Wave 1 (target dataset)1 from ICPSR.
2 Chapter 3 sample size population size frequency n N f sum w weight = = = Σ= = Sample mean: Population mean: () Weighted mean: Mean for frequency table: highest value + lowest value Midrange 2 x x n x N wx x w f x x f µ ∑ = ∑ = ∑• = ∑ ∑• = ∑ = 2 2 2 2 Range = Highest value - Lowest value Sample standard deviation: 1 ...
14 Μαρ 2020 · I precisely am looking for a more general distribution formula that allows for higher moment specifications (specifically skewness and kurtosis) in addition to mean and standard deviation.
1 ••• Master List of Formulas Chapter 1 IntroduCtIon and desCrIptIve statIstICs NONE. Chapter 2 FrequenCy dIstrIbutIons In tables and Graphs Σx (Frequency) Σx n (Relative frequency) Σx n × 100 (Relative percent) Chapter 3 summarIzInG data: Center tendenCy µ= Σx N (Population mean) M = Σx n (Sample mean) M Mn w n = Σ × Σ (Weighted sample mean) Chapter 4 summarIzInG data: varIabIlIty
Introductory Statistics ... 3
The key is to examine carefully what causes a data point to be an outlier. Besides outliers, a sample may contain one or a few points that are called influential points. Influential points are observed data points that are far from the other observed data points in the horizontal direction.
Probability Density Function (PDF) A PDF2 is a normalized, ... See Bevington Sections 1.2-1.3 Javier M. G. Duarte 8.13 Statistics and Fitting. ... Try using Grad Search first, then use those output parameters as the starting parameters for Lev-Mar with a small parameter