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Explain stratified sampling in details.
Answer
Stratified sampling is a probability sampling technique that is distinguished by two-step procedure it involves. In first step population is divided into mutually exclusive and collectively exhaustive sub-populations that are known as strata. In second step, a simple random sample of elements is chosen independently from every strata or group. This approach is used when there is considerable diversity among population elements. Major aim of this technique is to reduce cost without lose in precision.
Recoverable Expenses: An insurance company will pay expenses incurred by the insured for recovering loss for preventing it to the cargo. This is, however, subject to two condition
how do beliefs and attitudes influence consumer behavior
What is Descriptive and Analytical Research Descriptive research comprise surveys and fact finding enquiries of several kinds. The major objective of descriptive research is d
how is technology changing the nature?
regression line drawn asY=C+1075x, where x was 2, and y was239, given that y intercept was 11
Regression line drawn as Y=C+1075x,when x was 2, and y was 239, given that y intercept was 11. calculate the residual
This brief case study highlights the risks a company might face if it makes the wrong call in relation to its ethical marketing policies. The case study discusses the case of Cadbu
Procedure for Claiming Duty Drawback : The claim of Duty Drawback (DBK) is processed and passed for payment, primarily on the basis of the relevant information given in the Drawba
Actual Total Loss (ATL): An actual total loss may occur in three ways. Firstly when the, insured cargo is physically destroyed when fire in the hold of the ship destroys complet
Explain about the data editing Usual first step in data preparation is to edit raw data collected through questionnaire. Editing detects errors and omissions, corrects them wh
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