Question

9) Which one of the following about stratified random sampling is FALSE?
a) Units within a strata are homogenous
b) Sample is taken from every strata
c) Precision improves with low numbers
sampled in each stratum
d) Stratum specific estimates are weighted to
obtain the overall estimate
woher Tram​

Answer 1

Answer:

a)flase

b)ture

c)ture

d)flase