mizzcutie45
mizzcutie45
11-10-2016
Mathematics
contestada
explain stratified sampling?
Respuesta :
icecreamsoda
icecreamsoda
11-10-2016
Stratified sampling is when a researcher divides the population into separate groups, known as strata. then a probability sample (simple random sample) is drawn from each group.
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
write the equations after translating the graph of y=|x+2| one unit to the right write the equations after translating the graph of y=|x+2| one unit to the left
Student provides an explanation for carbon dioxide fluctuations for different seasons of the year. ( 2 points)
A patient needs surgery to open a clogged heart artery. This patient should look for a surgeon who is an expert in which of the following?
If a critical mass of fissionable material in a spherical shape is flattened like a hamburger, it will be?
I cant figure this out
If the concentration of a dilute solution of nitric acid is 0. 0001 m. What is the ph of that solution?
in a population of sexually reproducing bacteria how can we select for the resistant ones by only taking antibiotics for 2 days instead of the full 10 days that
THE NICHOLS ARE BUYING A HOUSE SELLING FOR $245,000. THEY PAY A DOWN PAYMENT OF $45,000 FROM THE SALE OF THEIR CURRENT HOUSE. TO OBTAIN A 15- YEAR MORTGAGE AT
In the body, erythrocytes are red because of the oxidized iron they contain. In stained blood smears, erythrocytes are?
The cultural revolution set back china’s modernization because mao believed that was more important.
