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Dr. Graham submitted a research proposal to the Ethics Review Board (ERB) at his university in late November. He is studying student's gender identification and life satisfaction. He tells you (his colleague) that he plans to do some interviews with students before they leave for Christmas, so he would have some data to look at over the holidays. He has not received ERB approval for his study, but knows it is a simple research design that will surely be approved. As a colleague of his, you should
Statistics Examinations
Tests or assessments that measure knowledge and understanding of statistical concepts and methods.
Variance
A measure of the spread between numbers in a dataset, indicating how much the individual data points differ from the mean of the data.
Confidence Interval
A segment of values, derived from analyzing a sample, that is likely to encapsulate the value of an undisclosed population attribute.
Sample Mean
The average of a subset of a population.
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