STATISTICAL TECHNIQUES AND TOOLS
SAMPLING DISTRIBUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A sample is taken of 200 people. The number of people who own a dog was 80.What is the sample proportion?
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80
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0.8
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0.4
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35%
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Explanation:
Detailed explanation-1: -The Sampling Distribution of the Sample Proportion. For large samples, the sample proportion is approximately normally distributed, with mean ˆP=p. and standard deviation ˆP=√pqn.
Detailed explanation-2: -The probability that the sample proportion will be within 0.03 of the population proportion is 0.96.
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