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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.
Write a short note on Sale of An Asset on account of Depreciation. Ans. An asset can be sold anytime before or after its useful life estimated time, in case the asset is sold more
what is the defination of model in operational research?
What is public finance
1. Compute the z scores for the following raw scores where = 78 and the standard deviation = 4. a. 72 b. 82 c. 78 d. 87 e. 71
discuss the nature and causes of the components of an economic time series?
the probability that you win a game is 0.3. if you play the game 20 times. what is the probability that you will win at least 8 times?
A psychologist developed a test designed to help predict whether production-line workers in a large industry will perform satisfactorily. A test was administered to all new employe
Uses of mean
Definition of budget control as management of costs & expenses with examples. Budget control is the management of costs & expenses in accordance with an underlying budget.
A cognitive psychologists knows that concrete words, which easily evoke images (.e.g. "sunset", "truck") are easier to remember than abstract words, but she would like to know if t
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