Typha swamp | Open water | ||
Mean | 9.2 | 2.2 | |
Variance | 41.51111 | 1.733333 | |
Observations | 10 | 10 | |
Pooled variance | 21.62222 | ||
Hypothesized mean difference | 0 | ||
Df | 18 | ||
t Stat | 3.366145 | ||
P(T ≤ t) one-tail | 0.00172 | ||
t critical one-tail | 1.734064 | ||
P(T ≤ t) two-tail | 0.00344 | ||
t critical two-tail | 2.100922 |