STAT 340

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Probability and Inference 2

Statistics College of Computational, Mathematical, & Physical Sciences

Course Description

Transformations of random variables; sampling distributions; Central Limit Theorem; frequentist inference (estimation, intervals, hypothesis tests); Bayesian inference (estimation, intervals); simulation.

When Taught

Fall; Winter.

Min

3

Fixed/Max

3

Fixed

3

Fixed

0

Recommended

Stat 123 and Stat 124

Title

Transformations

Learning Outcome

Determine the distribution of transformations of random variables (including χ², t, and F) to make the lineage of familiar tools explicit and to practice extending what we know to new problems.

Title

Sampling Distributions

Learning Outcome

Explore the sampling distributions for sample means and totals from common families.

Title

Convergence

Learning Outcome

Apply convergence in probability and distribution to prove the Law of Large Numbers and participate in proving the Central Limit Theorems for means and proportions, building confidence with abstraction.

Title

Sufficiency

Learning Outcome

Find sufficient statistics in one-parameter models using the factorization theorem in order to justify responsible data reduction.

Title

Point Estimation

Learning Outcome

Derive method-of-moments, maximum-likelihood, and Bayesian estimators to show that familiar estimators rest on principled foundations.

Title

Interval Estimation

Learning Outcome

Construct confidence intervals via pivots and Bayesian credible intervals to communicate uncertainty honestly so stakeholders can make informed decisions.

Title

Hypothesis Testing

Learning Outcome

Apply the Neyman–Pearson lemma to find most-powerful tests for problems involving simple hypotheses.

Title

Evaluation

Learning Outcome

Assess estimators by bias, variance, and MSE; practice acknowledging trade-offs.

Title

Simulation

Learning Outcome

Examine sampling distributions and evaluate estimators using simulation to make uncertainty visible, sharpen intuition, and introduce another way to approach problem solving.

Title

Critical Thinking

Learning Outcome

Strengthen problem-solving and reasoning, building confidence to tackle unfamiliar problems and act responsibly under uncertainty.

Title

Collaborative Problem Solving

Learning Outcome

Solve problems in teams by listening well, giving and receiving help, and practicing mutual respect and accountability.

Title

Ethical Gen-AI Stewardship

Learning Outcome

Engage generative-AI tools as study partners by crafting purposeful prompts, verifying and citing AI contributions, and discerning when to rely on human reasoning---recognizing that AI is neither divine nor human and cannot love, covenant, or receive revelation.