desiree4983 desiree4983
  • 24-09-2020
  • Chemistry
contestada

32. A good way to avoid blas when collecting samples is to
O use three different types of variables
use many different types of variables
collect a large sample number
collect a small sample number

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dreamgurl39 dreamgurl39
  • 25-09-2020
Provides equal odds for every member of the population to be choose as a parcipant in the study land
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