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Join experts in discussion on Set Theory, Logic, Probability, Statistics topics. Fundamentals in Set theory, logic and proofs. Probability and statistics also. Homework help is available.
Graduate The standardized and unstandardized canonical correlation coefficients
  • Ad VanderVen
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Undergrad Collinearity between predictors: what happens under the hood
  • fog37
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Undergrad Is Unbiasedness in Estimation Truly Reflective of Population Parameters?
  • fog37
  • · Replies 9 ·
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Graduate Uncertainty on an asymmetry signal
  • kelly0303
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Undergrad Sample space, outcome, event, random variable, probability...
  • fog37
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Undergrad Handling categorical variables in R
  • fog37
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Undergrad Linear Model with independent categorical variable
  • fog37
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High School How is the harmonic mean affected by additional data points?
  • Feynstein100
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Undergrad Why Does Yₙ Converge to Zero for q < 1/2 in a Random Walk?
  • WMDhamnekar
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Undergrad Number of edges in a tree digraph
  • CGandC
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Undergrad Martingale, Optional sampling theorem
  • WMDhamnekar
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6
High School Is There an Alternative Approach to Learning Pure Math for Beginners?
  • NoahsArk
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Undergrad Finding expectation of the function of a sum
  • WMDhamnekar
  • · Replies 7 ·
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Undergrad What is the expected (squared) coefficient of variation of a sample?
  • NotEuler
  • · Replies 6 ·
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Undergrad Linear regression, feature scaling, and regression coefficients
  • fog37
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Undergrad Casella Berger: Why is distribution of F-statistic in ANOVA not T^2
  • shaikh22ammar
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Undergrad What is Nonlinear Least Squares in Regression Analysis?
  • fog37
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Undergrad Can Alternative Least Squares Methods Be Used in Linear Regression?
  • fog37
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Undergrad Can chatgpt accurately calculate expected lengths in Pascal's triangle?
  • Office_Shredder
  • · Replies 66 ·
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Probabilities of certain events in a lucky wheel game
  • emmi2104
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Undergrad Geometric Distribution Problem Clarification
  • knowLittle
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Undergrad Expected coefficient change from simple to multiple linear regression
  • fog37
  • · Replies 4 ·
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High School Probability of seeing peak noise in a given time window
  • jaydnul
  • · Replies 3 ·
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Undergrad Linear Models vs Nonlinear Models
  • fog37
  • · Replies 22 ·
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Undergrad Count and Categorical Variables...
  • fog37
  • · Replies 3 ·
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Undergrad Is this the correct way to quantify these integers?
  • Math100
  • · Replies 3 ·
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Undergrad How to find the location of red cells?
  • MarkSS
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High School This Nearly Brought Me To Tears
  • bhobba
  • · Replies 2 ·
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Graduate Finding Global Minima in Likelihood Functions
  • tworitdash
  • · Replies 1 ·
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Undergrad Predicates and Models ... Goldrei
  • Math Amateur
  • · Replies 6 ·
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Graduate Non-significant variables in a logistic regression model
  • nyla
  • · Replies 1 ·
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Undergrad Multicollinearity and Interactions
  • fog37
  • · Replies 5 ·
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Undergrad Equivalence Question between when-then statement and if then statement
  • cbarker1
  • · Replies 4 ·
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Undergrad Roulette system -- which optimization is better?
  • bernd
  • · Replies 11 ·
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Undergrad [(Linear) Temporal Logic] Are the given sentences consistent or not?
  • s3a
  • · Replies 8 ·
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High School The law of total probability with extra conditioning
  • red65
  • · Replies 2 ·
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Undergrad Probability of White Ball in Box of 120 Balls: Solved!
  • CGandC
  • · Replies 3 ·
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High School Combinatorics and Magic squares
  • NEW4M
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High School How to handle significant digits of exact values?
  • DaveC426913
  • · Replies 12 ·
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High School Where is the error in my reasoning about palindromes?
  • red65
  • · Replies 3 ·
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High School About the naive definition of probability
  • red65
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High School How Can Bayesian Search Theory Simplify Finding Lost Everyday Items?
  • jedishrfu
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High School Sig fig question: Adding 3000 + 1.234
  • barryj
  • · Replies 47 ·
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Graduate Expectation of Product of three RVs
  • dubeypuja
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Undergrad Error Propagation in Measurements
  • erobz
  • · Replies 3 ·
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Undergrad Basic standard deviation calculation
  • Graham87
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Undergrad May I use set theory to define the number of solutions of polynomials?
  • V9999
  • · Replies 13 ·
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Undergrad Are there an infinite number of infinities?
  • donglepuss
  • · Replies 23 ·
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High School Sigma Multiplied Gaussian Distribution
  • jaydnul
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High School Understanding Probability of Bias in Coin and Dice Tosses
  • bsharvy
  • · Replies 3 ·
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Graduate A game of seemingly mutually independent events
  • SrivastavaHarsh
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Undergrad Discrete mathematics--An easy doubt on the notations of sums
  • V9999
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Undergrad Pin & Spin Groups: Double Covers of Orthogonal & SO Groups
  • redtree
  • · Replies 3 ·
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Graduate A possible estimate for the fourth central moment
  • Ad VanderVen
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High School Which probability calculation is "more correct" in Baccarat games?
  • bernd
  • · Replies 9 ·
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9
Undergrad Randomly Stopped Sums vs the sum of I.I.D. Random Variables
  • CGandC
  • · Replies 2 ·
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Graduate Why Statistical Theories of Mental Test Scores?
  • Ad VanderVen
  • · Replies 4 ·
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High School Question about transition matrix of Markov chain
  • songoku
  • · Replies 5 ·
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Undergrad Calculating Probability of Drawing Card Combos: A Closer Look at Counting
  • quasar987
  • · Replies 9 ·
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Undergrad Prove that the tail of this distribution goes to zero
  • CGandC
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Graduate Finding the Mode of a continous distribution
  • chwala
  • · Replies 11 ·
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Graduate How to check if a function doesn't depend on a variable?
  • kelly0303
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High School Error in approximation to log(223)/log(3) .... senior moment?
  • Swamp Thing
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Undergrad Proof about pre-images of functions
  • PhysicsRock
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Undergrad Variable Normalization for different variable ranges....
  • fog37
  • · Replies 3 ·
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High School Understanding the Differences between Quartiles and Percentiles
  • YouAreAwesome
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Undergrad Finding N / log(2) and M / log(3) very close together
  • Swamp Thing
  • · Replies 9 ·
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Undergrad Can you turn investment in a lottery from subjective to objective?
  • Arqane
  • · Replies 45 ·
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Undergrad Is there a way to calculate expected value from probabilistic data?
  • Feynstein100
  • · Replies 76 ·
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Undergrad Proof of ## \displaystyle\sum_{n=0}^\infty \frac{nX^n}{n}= Xe^X##
  • WMDhamnekar
  • · Replies 8 ·
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Undergrad Systematic uncertainties in linear fit
  • Malamala
  • · Replies 28 ·
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High School What Math Is This? (Logic of Mathematics)
  • askor
  • · Replies 9 ·
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Graduate Causal inference developed by Pearl
  • Demystifier
  • · Replies 40 ·
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Graduate Discrete type normal distribution
  • Ad VanderVen
  • · Replies 12 ·
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Graduate A different discrete normal distribution
  • Ad VanderVen
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High School Probability of firing exactly one shot in each annular zone
  • WMDhamnekar
  • · Replies 2 ·
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High School What should Sleeping Beauty's credence be in a life-or-death coin toss?
  • Moes
  • · Replies 91 ·
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Undergrad Modulo and Modulus in math and computer programming
  • fog37
  • · Replies 5 ·
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Undergrad Probability Spaces | What You Need to Know
  • WMDhamnekar
  • · Replies 3 ·
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Graduate The distribution that has a certain distribution as its limit case
  • Ad VanderVen
  • · Replies 7 ·
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Undergrad Probability of 2 Different Gendered Children Born in Order
  • fog37
  • · Replies 10 ·
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Graduate The expectation of the sampling distribution of Pearson's correlation
  • Ad VanderVen
  • · Replies 2 ·
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Graduate The name of the process underlying distributons with a hazard rate
  • Ad VanderVen
  • · Replies 4 ·
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High School Calculating Probability of Event After Y Attempts
  • Drakkith
  • · Replies 6 ·
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High School Calculating Defects Outside Specification Limits?
  • rede96
  • · Replies 7 ·
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Undergrad Error propagation and symmetric errors
  • Malamala
  • · Replies 1 ·
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Covariance and Correlation matrix
  • theakdad
  • · Replies 1 ·
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Recursive definition and induction
  • CStudent
  • · Replies 2 ·
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Calculating theoretical probability
  • bhuv
  • · Replies 3 ·
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How to Solve for a Given Probability in a Standard Normal Distribution Table?
  • CaptainBlack
  • · Replies 1 ·
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Chloe's question via email about a p-value
  • Prove It
  • · Replies 1 ·
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Determining the Median of Five Median Numbers
  • Patty Kirk
  • · Replies 1 ·
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James' question about Normal Distribution
  • Prove It
  • · Replies 1 ·
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Optimizing Prisoner Selection for Poisoned Wine Detection in Medieval Empires
  • alane1994
  • · Replies 1 ·
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Logic puzzle: students, cities, subjects and grades.
  • Casual
  • · Replies 1 ·
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How to find whether a given number is prime or not?
  • burgess
  • · Replies 1 ·
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What is the probability of two people meeting in a bar for exactly 15 minutes?
  • Ganesh Ujwal
  • · Replies 1 ·
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Graduate Sampling Electrons from a 2D Projection: Is There a Functional Form?
  • Malamala
  • · Replies 1 ·
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Undergrad Difference between relative risk and odds ratio
  • jaumzaum
  • · Replies 7 ·
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Graduate Quantifying nonlinearity from data
  • BillKet
  • · Replies 3 ·
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