METHODS OF DATA COLLECTION
CONCEPT OF SAMPLING AND OTHER CONCEPTS RELATED TO SAMPLING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements is true regarding the sample size you need in a research study?
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You should include 10% of the population in your sample.
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The more categories or breakdowns you want to make in your data analysis, the smaller the sample size needed.
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The more homogeneous the population the larger the sample size needed.
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The larger the sample size, the smaller the sampling error.
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Explanation:
Detailed explanation-1: -The relationship between margin of error and sample size is inverse i.e when sample size increases, the sampling error decreases.
Detailed explanation-2: -Statistical importance of having a large sample size Larger studies provide stronger and more reliable results because they have smaller margins of error and lower standards of deviation. (Standard deviation measures how spread out the data values are from the mean.
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