arabera Basetsana Shela 5 years ago
203
Honelako gehiago
by Arrieta Rodriguez Irving Raúl
by Abigail Bosley
by Nahomi Cuts
by kersha sanders
Cluster sampling -Groups identified within the population are heterogeneous -Each cluster stands an equal chance of being included in the sample -The sample was used to obtain a nationally representative sample of students in grades 8-10