Descriptive summary and quantile plan
Verified methods: 2026-11-02

Instructions: Save a copy and complete each blank. Use fictional or aggregate values only; never enter patient identifiers. Record unresolved issues instead of inventing answers. This is a planning aid, not expert approval.

DEFINE VARIABLE
Variable, unit, population and observation unit: ______
Scale (nominal/ordinal/continuous), allowed values: ______
Missing and excluded values, with denominators: ______

PRESPECIFY SUMMARIES
Summary statistics and reason: ______
Quantile convention/software/version: ______
For linked tool: type 7 interpolation at zero-based index (n−1)p.
MAD convention: raw median absolute deviation; no 1.4826 factor.

RECORD FICTIONAL AUDIT EXAMPLE
Ordered fictional values: ______
n: ______; Q1: ______; median: ______; Q3: ______
IQR = Q3−Q1: ______
Absolute deviations from median: ______
Raw MAD (median of deviations): ______

REVIEW OUTPUT
Independent reference calculation: ______
Distribution/measurement checks requiring a plot: ______
Handling of ties, floor/ceiling effects and units: ______
Report method with results; do not label values as errors solely from a summary.

Project/version: ______  Completion date: ______