How to Find Confidence Intervals on a Ti-83?

Answer When calculating statistical data, it's nearly impossible to leave every stone unturned. Statistics are almost always based on a sample of all available data. For example, you can't record the heig... Read More »

Top Q&A For: How to Find Confidence Intervals on a Ti-83

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How to Find a Confidence Interval for the True Mean Using Excel 2007?

The confidence interval for a true mean represents the range above or below the survey mean in which the true average is likely to be, based on the data. For example, if you conduct a survey of a s... Read More »

How to Calculate Reference Intervals?

A reference range gives you an idea of what a normal measurement is for a particular data set. For example, knowing the reference range can help a school district determine appropriate placement in... Read More »