Examlex
Each of the data sources discussed in this chapter has both strengths and limitations.What are they? Is there a single "best" data source,or does that depend on the purposes to which you wish to put the data.
Plus Four Method
A statistical method that adds four to the sample size and regards two successes and two failures in a binomial proportion confidence interval.
P-value
The probability of obtaining a test statistic at least as extreme as the one observed, assuming the null hypothesis is true; used to determine statistical significance.
Hypothesis
A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Confidence Interval
A span of values, generated from the statistics of a sample, that is likely to comprise the value of an undefined population parameter.
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