STATISTICAL TECHNIQUES AND TOOLS
CONFIDENCE INTERVALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The confidence level of an interval estimate of a parameter is the probability that the interval estimate will contain the parameter.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The confidence coefficient is expressed as (1−) %. That is if a researcher is supposed to find a confidence interval at 0.05 level of significance, the confidence coefficient is 95%. This is also known as the confidence level, the likelihood that the computed interval would contain the population parameter.
Detailed explanation-2: -A confidence interval is the mean of your estimate plus and minus the variation in that estimate. This is the range of values you expect your estimate to fall between if you redo your test, within a certain level of confidence. Confidence, in statistics, is another way to describe probability.
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