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Probability & Statistics

Probability theory, statistical inference, and data analysis for engineers — descriptive statistics, discrete and continuous distributions, confidence intervals, hypothesis testing, ANOVA, regression, quality control, and reliability. Covers all 8 FE disciplines, AP Statistics, and full university curriculum.

14 modules·175 concepts·104 practice problems·~60 hours

Prerequisites

Exam Relevance

FE Exams7 exams
FE General7% of exam
FE Civil5% of exam
FE Mechanical5% of exam
FE Electrical5% of exam
FE Chemical5% of exam
FE Environmental5% of exam
FE Industrial12% of exam
AP Exams1 exam
AP Statistics100% of exam
University Exams2 exams
University Statistics I100% of exam
University Statistics II100% of exam
MCAT1 exam
MCAT Behavioral Stats15% of exam

Module Breakdown

1.Descriptive Statistics & Data Exploration

17 concepts·6 problems

Types of data, graphical displays, measures of center and spread, five-number summary, and the empirical rule.

17 concepts covered
Types Of DataLevels Of MeasurementPopulation Vs SampleFrequency TablesBar Charts And Pie ChartsHistogramsStemplotsDotplotsOgives And Cumulative PlotsMean Median ModeWeighted MeanTrimmed MeanRange And IqrVariance And Standard DeviationBoxplotsCoefficient Of VariationChebyshev Empirical Rule

2.Probability Fundamentals

20 concepts·11 problems

Sample spaces, counting techniques, probability rules, conditional probability, Bayes theorem, and study design.

20 concepts covered
Sample Spaces And EventsSet Operations ProbabilityMutually Exclusive EventsFundamental Counting PrinciplePermutationsCombinationsCounting ApplicationsClassical ProbabilityRelative Frequency ProbabilityAddition RuleConditional ProbabilityMultiplication RuleIndependenceBayes TheoremDiagnostic TestingObservational Vs ExperimentalSampling MethodsSources Of BiasExperimental Design PrinciplesExperimental Designs

3.Discrete Probability Distributions

14 concepts·10 problems

Random variables, expected value, binomial, geometric, Poisson, and hypergeometric distributions.

14 concepts covered
Discrete Random VariableCumulative Distribution Function DiscreteExpected Value DiscreteVariance DiscreteFunctions Of Random VariablesExpected Value Decision MakingBernoulli TrialsBinomial DistributionBinomial Mean VarianceBinomial ApplicationsGeometric DistributionNegative Binomial DistributionPoisson DistributionHypergeometric Distribution

4.Continuous Probability Distributions

18 concepts·13 problems

PDFs, CDFs, uniform, normal, exponential, Weibull, t, chi-squared, and F distributions.

18 concepts covered
Continuous Random VariableCdf ContinuousExpected Value ContinuousPercentiles And QuantilesUniform DistributionNormal DistributionStandard Normal ZNormal Probability CalculationsEmpirical Rule NormalNormal Approximation BinomialCentral Limit TheoremExponential DistributionWeibull DistributionGamma DistributionLognormal DistributionT DistributionChi Squared DistributionF Distribution

5.Sampling Distributions

11 concepts·8 problems

Sampling distributions of means and proportions, properties of estimators, and sample size determination.

11 concepts covered
Random SamplingSampling Distribution ConceptSampling Distribution MeanSampling Distribution ProportionBias And UnbiasednessEfficiencyConsistencyStandard ErrorSampling Distribution Difference MeansSampling Distribution Difference ProportionsSample Size Determination

6.Point and Interval Estimation

9 concepts·8 problems

Confidence intervals for means and proportions, margin of error, prediction and tolerance intervals.

9 concepts covered
Confidence Interval ConceptCi Mean Known SigmaCi Mean Unknown SigmaCi Difference Of MeansCi ProportionCi Difference Of ProportionsMargin Of Error And Sample SizePrediction IntervalTolerance Interval

7.Hypothesis Testing

14 concepts·6 problems

Testing framework, tests for means and proportions, Type I/II errors, power, and effect size.

14 concepts covered
Null And Alternative HypothesesType I And Type Ii ErrorsP ValueTest StatisticRejection RegionOne Sample Z TestOne Sample T TestTwo Sample T TestPaired T TestOne Proportion Z TestTwo Proportion Z TestStatistical PowerEffect SizePower And Sample Size

8.Chi-Square Tests & Categorical Inference

11 concepts·4 problems

Goodness-of-fit tests, independence and homogeneity tests, correlation, and R-squared.

11 concepts covered
Chi Square Goodness Of FitExpected CountsChi Square IndependenceChi Square HomogeneityExpected Counts Two WayInterpreting Chi SquareCorrelation CoefficientCoefficient Of DeterminationStandard Error Of EstimateFishers Exact TestMcnemars Test

9.ANOVA & Design of Experiments

12 concepts·3 problems

One-way and two-way ANOVA, multiple comparisons, factorial designs, and response surface methodology.

12 concepts covered
One Way AnovaF Statistic AnovaAnova AssumptionsMultiple ComparisonsTwo Way AnovaInteraction PlotsAnova Table ConstructionFactorial DesignsMain Effects And InteractionsFractional FactorialRandomized Block DesignResponse Surface Methodology

10.Regression Analysis

13 concepts·6 problems

Simple and multiple linear regression, inference on slope, prediction intervals, and model selection.

13 concepts covered
Simple Linear Regression ModelLeast Squares EstimationInterpreting Slope InterceptResidual AnalysisCoefficient Of Determination RegressionInference On SlopePrediction Vs Confidence BandsAnova For RegressionMultiple Regression ModelAdjusted R SquaredPolynomial RegressionMulticollinearityVariable Selection

11.Quality Control & Reliability

11 concepts·7 problems

Statistical process control, control charts, process capability, reliability functions, and system reliability.

11 concepts covered
Control Chart ConceptX Bar R ChartsP Chart C ChartControl Chart InterpretationProcess CapabilityReliability FunctionHazard RateMttf MtbfExponential ReliabilityWeibull ReliabilitySystem Reliability

12.Bayesian Statistics & Advanced Topics

7 concepts·1 problems

Bayesian inference, conjugate priors, nonparametric tests, bootstrap resampling, and maximum likelihood estimation.

7 concepts covered
Prior Posterior LikelihoodConjugate PriorsCredible IntervalsNonparametric TestsBootstrap ResamplingMaximum Likelihood EstimationMonte Carlo Simulation

13.Statistical Reasoning & Common Pitfalls

8 concepts·8 problems

Simpson's paradox, survivorship bias, regression to the mean, p-hacking, and other reasoning traps that affect real-world data analysis.

8 concepts covered
Simpsons ParadoxSurvivorship BiasRegression To The MeanEcological FallacyP Hacking Data DredgingStatistical Vs Practical SignificanceGamblers FallacyCorrelation Causation Deep

14.Biostatistics & Epidemiology

10 concepts·12 problems

Study design taxonomy, effect measures (RR, OR, NNT), survival analysis, clinical trials, and meta-analysis for health sciences and bioengineering.

10 concepts covered
Incidence And PrevalenceRelative RiskOdds RatioAbsolute Risk Reduction NntStudy Types TaxonomyClinical Trial PhasesKaplan Meier SurvivalLog Rank TestMeta Analysis Forest PlotsLogistic Regression Intro

Reference Textbooks

  • Walpole, Myers & Myers — Probability & Statistics for Engineers & Scientists
  • Devore — Probability and Statistics for Engineering and the Sciences
  • Montgomery & Runger — Applied Statistics and Probability for Engineers

Ready to practice Prob & Stats?

104 practice problems with step-by-step solutions. Free, no credit card.