Results
| Trial | Reading |
|---|---|
| A | 4.2 |
| B | 4.4 |
| C | 4.1 |
The mean is 4.23 and the sample standard deviation is 0.15, rounded to two decimal places.
Limits
Three readings give only a rough view of repeatability. They do not establish accuracy or reveal a consistent instrument bias.
Keep these original readings beside any reported summary.