Examlex
Use a graphing utility to graph the inequality.Shade the region representing the solution.
Sample Mean
The average value of a set of observations derived from a sample.
Standard Deviation
An indicator of the spread or distribution range of a collection of data points, showing how far apart the values in the set are from each other.
Margin of Error
The maximum amount by which the sample results are expected to differ from the true population value.
Normally Distributed
Describes a distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
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