Cohort Summary: Share below −2 SD & the Z-Score Distribution (with a Chart)
This lesson is part of the course
In this lesson
You summarise a screening cohort the way nutrition surveys do: the share below −2 SD, the observed distribution in z-score bands and the comparison with the reference normal curve in a chart.
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Lessons in this course
- Percentiles ↔ Z-Scores with NORM.S.DIST & NORM.S.INV Locked
- The LMS Method: z = ((X/M)^L − 1) / (L·S) Locked
- Drawing the Curves: the Value at a Percentile from LMS Locked
- BMI and the BMI-for-Age Z-Score Locked
- Growth Velocity: Centimetres per Year between Visits Locked
- Crossing Percentile Lines: Band Index & Review Flags Locked
- Between the Rows: Interpolating L, M and S by Age Locked
- Cohort Summary: Share below −2 SD & the Z-Score Distribution (with a Chart) Locked