Mathematics, 30.10.2020 02:40 khamani623
I've been stuck on this question please help :(((
Which statement(s) apply to stratified random sampling? Check all that apply.
A) It can provide better estimates than a simple random sample.
B) The researcher needs some knowledge of the population in terms of characteristics relevant to the study.
C) A challenge is that it is necessary to have strata of the same size.
D) Creating strata of similar individuals to sample from reduces variability.
E) It can be difficult to obtain with a very large population.
Answers: 3
Mathematics, 22.06.2019 02:10, gabrielolivas59
Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.
Answers: 1
I've been stuck on this question please help :(((
Which statement(s) apply to stratified random sam...
English, 28.06.2019 14:00
Social Studies, 28.06.2019 14:00
Social Studies, 28.06.2019 14:00
History, 28.06.2019 14:00