Is a percentage the indicates how close your sample results will be to the true value of the overall population discussed in your study. 1 pointz-scoresample sizemargin or error
Question
Is a percentage the indicates how close your sample results will be to the true value of the overall population discussed in your study. 1 pointz-scoresample sizemargin or error
Solution
The answer is margin of error. The margin of error is a statistic expressing the amount of random sampling error in a survey's results. It asserts a likelihood (not a certainty) that the result from a sample is close to the number one would get if the whole population had been queried.
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The test statistic in the case described in the previous question, therefore, is:This means that:If p is really still .75, the sample proportion we got is 11.3 standard deviations below it.If p is really still .75, the sample proportion we got is 11.3 percentage points below it.If p is really still .75, the sample proportion we got is 11.3 standard deviations above it.If p is really still .75, the sample proportion we got is 11.3 percentage points above it.
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