| 1. [d] Data |
|---|
| +1 | per location |
| 2. [t] Data table format |
|---|
| 3 | Clear, concise, well thought out, informative, labels and units in the head |
| 2 | Missing borders or other minor format inconsistencies, or missing one element in the head such as units |
| 1 | Incomplete, runs off edges of page, lacks minimal margins, or missing two or more elements such as borders and units |
| 3. [g] Data display: Graph |
|---|
| 3 | Correct xy scatter graph type, correct axis labels |
| 2 | Missing a label or other element, or reversed x and y axes on an xy scattergraph |
| 1 | wrong graph type(s), or plotting the wrong data, or wrong result on graph, or otherwise incorrect |
| 4. [a] Data analysis [8] |
|---|
| +1 | slope with correct units |
| +1 | intercept with correct units |
| +1 | experimental speed of sound reported |
| +1 | dry bulb temperature reported |
| +1 | wet bulb temperature reported |
| +1 | relative humidity reported |
| +1 | theoretic speed of sound based on temperature and humidity reported |
| +1 | error analysis run against theoretic speed of sound |