Were any of these births twins? (BH2)
Data file: bh
Overview
Valid:
4453
Minimum:
1.0
Maximum:
2.0
Mean:
1.0217830675948798
Standard deviation:
0.14599093071692515
Type:
Discrete
Width:
5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Single | 4356 |
97.8%
|
| 2 | Multiple | 97 |
2.2%
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.