DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A teacher asks everyone in his Year 7 group for their shoe size.This is a ____ of the Year 7 group.
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Census
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Sample
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Biased sample
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Population
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Explanation:
Detailed explanation-1: -Statistic is the number that describes the sample. It can be calculated and observed directly. The statistic is a characteristic of a population or sample group.
Detailed explanation-2: -The entire group of individuals or instances about whom we hope to learn. population. A study that asks questions of a sample drawn from some population in the hope of learning something about the entire population. Polls taken to assess voter preferences are common sample surveys.
Detailed explanation-3: -RandomizationThe best defense against bias is randomization, in which each individual is given a fair, random chance of selection.
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