---
alias: user-guide-spc-nelson5
description: "Defines a rule based on statistical deviations from a centerline for scope resolution"
---

# Nelson 5

## Rule definition

2 of 3 consecutive points above two standard deviations or below two standard deviations on the same side of the centerline.

## Rule Scope

| Indicator Scope | Scope Type | Chart Type | Chart |
|-----------------|------------|------------|-------|
| Indicator1      | ChartType  | Variable   |       |

Table: Nelson 5 configuration used for scope resolution

## Visual examples

### Upper

![Nelson 5 - Upper][N5_WE2_indicator1_upper]

### Lower

![Nelson 5 - Lower][N5_WE2_indicator1_down]

[N5_WE2_indicator1_upper]: images/N5_WE2_indicator1_upper.png
[N5_WE2_indicator1_down]: images/N5_WE2_indicator1_down.png