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sample (2) |
sampling error (4) |
sampling theory (2) |
Stichprobe (2) |
Stichprobenfehler (4) |
Stichprobentheorie (2) |
survey research (4) |
sample (2) |
sampling error (4) |
sampling theory (2) |
Stichprobe (2) |
Stichprobenfehler (4) |
Stichprobentheorie (2) |
survey research (4) |