How this works. Click
Generate quiz to draw one random question from each of the four question types:
- Type 1 — Reading Data & Exploring: read_csv, nrow, ncol, names, head, summary
- Type 2 — Vectors & Functions: c(), element-wise arithmetic, mean/sd/sum/max
- Type 3 — Summary Statistics in R: statistics on the data, handling NA with na.rm
- Type 4 — Scripting, Reproducibility & AI: short-answer concept questions
Download the dataset, work through the questions in R (Positron), then click
Reveal answer to check yourself.
Dataset:
sask_wheat_2025.csv — 150 spring-wheat fields in Saskatchewan, 2025 (some values missing)
Read with read_csv("sask_wheat_2025.csv"). Watch for the missing (NA) yield and protein values.
Click Generate quiz above to draw four random practice questions.