STATISTICAL TECHNIQUES AND TOOLS
INTRODUCTION OF STATISTICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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exactly the same as
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nothing like
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representative of
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larger than
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Detailed explanation-1: -Answer : Here Option C is the correct answer. a sample should be randomly selected and representative of the population.
Detailed explanation-2: -In order to be a representative sample, the sample group must represent the population as a whole. For instance, if the researcher’s population of interest has 60% of people ages 18-25 and 40% of people ages 26-40, then the representative sample must also reflect this ratio.
Detailed explanation-3: -Probability samples are selected in such a way as to be representative of the population. They provide the most valid or credible results because they reflect the characteristics of the population from which they are selected.
Detailed explanation-4: -Representative samples are important because they ensure that as many relevant types of people as possible are included in your sample, and that the right mix of people are interviewed or surveyed. This helps ensure your results aren’t tainted by bias. It also helps guard against overrepresenting certain groups.