Table 5 The effect of implementing a SBT on diabetes
From: Is a beverage tax really a healthy start? Worldwide analysis
Sign | Observations | Sum of ranks | Expected |
|---|---|---|---|
positive | 18 | 290 | 202.5 |
negative | 9 | 115 | 202.5 |
zero | 1 | 1 | 1 |
all | 28 | 406 | 406 |
Statistic | Value | ||
Unadjusted variance | 1928.5 | ||
Adjustment for ties | −1.38 | ||
Adjustment for zeros | −0.25 | ||
Adjusted variance | 1926.88 | ||
z | 1.993 | ||
Prob \( > |z| \) | 0.0462 |