- Check the conditions for a [latex]t[/latex]-distribution, then use a [latex]t[/latex]-distribution to calculate probabilities when appropriate.
College Cost
In the statistical tool below, select College Cost under Select Example. The population distribution of the average annual cost of tuition and fees, seen in the statistical tool, is the distribution of the average annual costs of tuition and fees (in U.S. dollars) for a population of [latex]1,909[/latex] public and private four-year U.S. colleges.
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When we calculate a [latex]z[/latex]-score for a statistic using simulation to estimate the mean and standard deviation of the sample mean, we call this a standardized statistic.