Stratified sampling, Mathematics

Assignment Help:

Stratified sampling

In stratified sampling case the population is divided into groups in such a way that units in each group are as same as possible in a process called stratification. The groups are called strata. Simple random samples from each of the strata are collected and also combined into a simple. This technique of collecting a sample from a population is named as stratified sampling. Stratification may be by age, occupation income group and so on.

 


Related Discussions:- Stratified sampling

Determine rational exponents, Evaluate following. (a) 625 3/4 Solut...

Evaluate following. (a) 625 3/4 Solution  (a) 625 3/4 Again, let's employ both forms to calculate this one.             625 3/4   =( 625 1/4 ) 3 =(5) 3   = 12

Ryan gym membership costs him how much is every installment, Ryan's gym mem...

Ryan's gym membership costs him $390 per year. He pays this within twelve equal installments a year. How much is every installment? To ?nd out each installment, the total yearl

Systematic sampling, Systematic Sampling Systematic sampling is a part ...

Systematic Sampling Systematic sampling is a part of simple random sampling in descending or ascending orders. In systematic sampling a sample is drawn according to some predet

Solve sin (a /7) =0 trig function, Solve sin (α /7) =0 . Solution B...

Solve sin (α /7) =0 . Solution By Using a unit circle it isn't too difficult to see that the solutions to this equation are, α /7 = 0 + 2 ? n     ⇒   α = 14 ? n

Determine the centralizer and the order of the conjugacy, Determine the cen...

Determine the centralizer and the order of the conjugacy: 1)      Determine the centralizer and the order of the conjugacy class of the matrix [1, 1; 0, 1] in Gl­ 2 (F 3 ).

L''hospital''s rule, L'Hospital's Rule Assume that we have one of the g...

L'Hospital's Rule Assume that we have one of the given cases, where a is any real number, infinity or negative infinity.  In these cases we have, Therefore, L'H

Venn diagram, in a class of 55 students, 35 take english, 40 take french, a...

in a class of 55 students, 35 take english, 40 take french, and 5 take other languages.present this information in a venn diagam and determine how many students take both languages

Dr.., I need some material on Bachet equation

I need some material on Bachet equation

Distance is given then find the value of k, In the graphical representatio...

In the graphical representation of a frequency distribution if the distance between mode and mean is k times the distance between median and mean then find the value of k.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd