Stratum no. (STRTM_NO)
File: U-IDENTIFICATION
Overview
Type: Continuous
Format: numeric
Width: 2
Decimals: 0
Range: 0-57
Valid cases: 71420
Invalid: 0
Minimum: 1
Maximum: 9
Mean: 2.2
Standard deviation: 1.6
Questions and instructions
Literal question
Stratum no.