Table 3 Comparison between the means of v1 and v2 via Z-test
Z-test: two sample for means | ||
|---|---|---|
Variety 1 | Variety 2 | |
Mean | 15.045 | 15.97 |
Known variance | 4.982 | 4.113 |
Observations | 60 | 60 |
Hypothesized mean difference | 0 | |
z (computed) | − 2.376 | |
P (Z ≤ z) two-tail | 0.0175 | |
z Critical two-tail | 1.960 |