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Faculty of Arts & Science · St. George

STA304H1

Surveys, Sampling and Observational Data

Other courses coded STA304 →

Prerequisite1 requirement, 9 options
Total contact hours36 lecture
Evidence3 terms · 8 papers

What was the average?

B-

2.8 GPA across 3 observed terms. Most recent: Winter 2025.

How is it graded?

Not yet verified

No syllabus we can lawfully use has been verified for this course.

How confident is this?

Med

A small number of terms, so read it as a range.

From the calendar

Official source · Faculty of Arts & Science

Design of surveys, sources of bias, randomized response surveys. Techniques of sampling; stratification, clustering, unequal probability selection. Sampling inference, estimates of population mean and variances, ratio estimation. Observational data; correlation vs. causation, missing data, sources of bias.

Exclusions
STA304H5STAC50H3STAC53H3
Contact hours
36 lecture
Total scheduled hours for the course, not per week.

Any one of these

ECO227Y1, STA255H1, STA261H1, STA248H1, STA238H1, STAB57H3, STA258H5, STA260H5, or ECO227Y5

What people actually got

Last observed Winter 2025
B-

2.8 GPA

3 terms observed

n = 3student contributedSt. George offerings only

This is a student-contributed aggregate, not an official University of Toronto record. It is also not a measure of how hard the course is — a course average moves with who enrols in it, not only with the material.

Per-term figures stay hidden until each term clears five contributors. 3 observations can support one honest number; they cannot support 3.

How well we know this course

2022–2023

Pyko’s archive holds 8 documents for STA304H1, across 2 years between 2022 and 2023.

8
Final exams

Counts, not a library. Pyko does not host or distribute course files, and this page is not an offer to supply one — the archive is what lets these pages describe how a course is assessed, which matters most where no syllabus has been verified.

What we don’t have yet

Assessment weightingNo syllabus we can lawfully use has been verified for this offering. Contribute yours and the breakdown appears here.
Per-term breakdownHeld back deliberately. Splitting 3 observations across terms would be false precision.
Instructor-level detailAverages are not split by instructor. At these sample sizes the difference between sections is noise, not signal.

Source ledger

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Sources behind every claim on this page
ClaimSourceCapturedStatus
Course description, prerequisites, exclusions, contact hoursFaculty of Arts & Science2026-07-25public fact
Historical average across 3 termsStudent contributions, consented2026-07-25user contributed aggregate
8 archived documents, 2022-2023Pyko archive2026-07-25index only

Page last verified 2026-07-25. A claim whose source moves is withdrawn before it goes stale.

Around this course

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STA304H1 average & past exams — UofT | Pyko