Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1 - sample 2. Give your answer correct to two decimal places.)
| Sample |
Number |
Mean |
Std. Dev. |
| 1 |
28 |
37 |
13.3 |
| 2 |
13 |
44 |
10.4 |