Stratified sampling, Basic Statistics

Assignment Help:

Stratified Sampling: If the population from which a sample is to be drawn does not constitute a homogenous group, then stratified sampling technique is applied so as to obtain a representative sample. In this techniques the population is stratified into a number of non overlapping subpopulations or strata and sample items are selected from each stratum. If the items selected from each stratum is based on simple random sampling the entire procedure first stratification and the simple random sampling is known as stratified random sampling.


Related Discussions:- Stratified sampling

Calculate income and substitution effects, In November 2010, every Mzumbe U...

In November 2010, every Mzumbe University student had an income of 150000/= per month,facing the price of meal (X) 1000/= and average price of other goods (Y) 1000/=.The initial ut

Computing, compute and interpret sample covariance for the data

compute and interpret sample covariance for the data

Meaning of book keeping, What do you understand by the term “Book Keeping”?...

What do you understand by the term “Book Keeping”? Ans. In nutshell the attending the Accounting Process is called or referred as Book Keeping in other plain words we may concern

Absorption distributions , Absorption distributions Probability distribu...

Absorption distributions Probability distributions which represent the number of 'individuals' (such as particles) which fail to cross the speci?ed area containing the hazards o

Discrete random varible, A probability distribution is partially given in t...

A probability distribution is partially given in the following table with the additional information that the even values of X are equally likely. Determine the missing entries in

Discrete random variable, ABC company has 2000 accounts receivable. The mea...

ABC company has 2000 accounts receivable. The mean and standard deviation are $300 and $50, respectively. Assume that the accounts are normally distributed.

Testing the hypothesis type 1 and type 2 error, ...if a transit employee pr...

...if a transit employee provides a strand of hair for drug testing, state the null and alternative hypothesis in verbal terms, then identify what would constitute a type 1 and typ

When are expenses credited, When are expenses credited? While common jo...

When are expenses credited? While common journal cost records are typically debited and have debit account balances, there are times when the cost records are acknowledged.

Type of correlation, The correlation coefficient can take values from -1 to...

The correlation coefficient can take values from -1 to 1. If the correlation coefficient lies in the range (-1,0) then we say that the correlation is negative, on the other hand if

Need homework answers by midnight tonight, first question: Glaser Services ...

first question: Glaser Services acquired 30% of the outstanding common stock of Nickels Company on January 1, 2008, by paying $864,180 for the 48,010 shares. Nickels declared and p

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