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Quota Sampling: in stratified the cost of taking random samples from individual strata is often so expensive that interviewers are simply give quota to be filled from different strata the actual selection of items for sample being left to the interviewers judgment. This is called quota sampling. The size of the quota for each stratum is generally propionate to the probability sampling. Quota samples generally happen to be judgment samples rather than random sample.
Mean Deviation The two methods of dispersion discussed above namely range and quartile deviation are not measure of dispersion in the strict sense of te term because they do not s
Distinguish between primary and secondary data. What are the methods of collecting primary data?
In the 2011 federal election, 30.6% of the electorate voted for the New Democratic Party (NDP). (a) A year later, a national poll of 1836 respondents indicated that 36% support the
Explain what is meant by population and sample
A researcher is interested in characteristics of HIV+ and HIV- adolescents interviewed 166 young adults about their experiences during adolescence. He wished to know, among other
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IASC: The IASC (International Accounting Standards Committee is an international organization which was set up in 1973 was restructured to form IASB in 2001. It was an agreement b
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z test
What is F2 Test, These tests were based on the assumption that the samples were drawn from normally distributed populations, or more accurately that the sample means were normally
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