A student repeated an experiment five times to measure the mass of dry silver chloride precipitate obtained from a gravimetric analysis of a chloride-containing salt solution.
The table below shows the results of the five trials:
| Trial | Mass of precipitate obtained (g\text{g}g) |
|---|---|
| 1 | 1.44 |
| 2 | 1.48 |
| 3 | 1.38 |
| 4 | 1.46 |
| 5 | 1.44 |
Calculate the mean mass of precipitate obtained and its associated uncertainty.
State your final answer in the form: mean±uncertainty\text{mean} \pm \text{uncertainty}mean±uncertainty.