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
im in need of assistance
Name Gridlock! 1. Describe a pattern you could use to complete the following grid, and then write the decimals to complete it. 0.35 ____ ____ _____ 0.95
Fe(OH)2(s) + O2(g) +OH-Fe(OH)3(s) + H2O balance in basic solution
The function h ( x ) = 1 x + 4 can be expressed in the form f ( g ( x ) ) where g ( x ) = ( x + 4 ) and f ( x ) is defined as:
ANSWER ASAP!!!!! How many states had to approve the Articles of Confederation for them to go into effect? A. 13 B. 12 C. 11 D. 10
what is the area of isoceles triangle
What is the effect on the graph of f(x) = |x| when the function is changed to g(x) = |3x| + 1? A. The graph is stretched horizontally and shifted up 1 unit. B.
a stick of lengtg 1.75m was measured by a biy as1. 80.Find tha percentagw error ub gus measurement
Why do you think Tolstoy composed this story so that the older brother behaved in a way that the reader is intended to see as foolish? Does it help to dispel th
The temperature was 98 degrees last Friday. Wednesday it was 24 degrees cooler. Which expression represents the relationship in the temperature between Friday a
