# 31 Statistical Concepts Explained in Simple English – Part 9

31 Statistical Concepts Explained in Simple English – Part 9

This resource is part of a series on specific topics related to data science: regression, clustering, neural networks, deep learning, decision trees, ensembles, correlation, Python, R, Tensorflow, SVM, data reduction, feature selection, experimental design, cross-validation, model fitting, and many more. To keep receiving these articles, sign up on DSC.

31 Statistical Concepts Explained in Simple English

Hotelling’s T-Squared: Simple Definition

Normal Distribution Probability in Excel: All Versions up to 2016

Hypergeometric Distribution: Examples and Formula

Hypothesis Test in Excel for the Population Mean (Large Sample)

Idempotent Matrix: Definition, Examples

IID Statistics: Independent and Identically Distributed Definition and Examples

Independent Random Variables: Definition, Examples

Independent Samples T Test (Unpaired Samples): Definition, Running

Independent Variable (Treatment Variable) Definition and Uses

Index Number: Simple Definition

Inferential Statistics: Definition, Uses

Information Bias (Observation Bias): Definition, Examples

Instrumental Variable: Definition & Overview

Interaction Effect, Statistical Interactions & Interacting Variable

Internal Consistency Reliability: Definition, Examples

Internal Validity: Definition and Examples

Inter-rater Reliability IRR: Definition, Calculation

Interval Estimate: Definition, Examples

Interval Scale & Interval Variable: Simple Definition & Examples

Intervening variable: Simple Definition & Examples

Intraclass Correlation

Inverse Gamma Distribution: Definition, Mean, Variance, PDF

Inverse Normal Distribution

Jaccard Index / Similarity Coefficient

Jarque-Bera Test

Joint Probability and Joint Distributions: Definition, Examples

Kaiser-Meyer-Olkin (KMO) Test for Sampling Adequacy

Kendall’s Tau (Kendall Rank Correlation Coefficient)

Kolmogorov-Smirnov Goodness of Fit Test

KPSS Test: Definition and Interpretation

Krippendorff’s Alpha Reliability Estimate: Simple Definition

Previous editions can be accessed here: Part 1 | Part 2 | Part 3 | Part 4 | Part 5 | Part 6 | Part 7 | Part 8.

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Link: 31 Statistical Concepts Explained in Simple English – Part 9