TI-84

A five number summary is a way to summarize a dataset using the following five values: The minimum The first quartile The…

A residual plot is used to assess whether or not the residuals in a regression analysis are normally distributed and whether or…

The sample variance tells us how spread out the values are in a given sample. Typically denoted as s2, it is calculated…

A coefficient of variation, often abbreviated as CV, is a way to measure how spread out values are in a dataset relative…

The geometric distribution describes the probability of experiencing a certain number of failures before experiencing the first success in a series of…

The interquartile range, often denoted IQR, is a way to measure the spread of the middle 50% of a dataset. It is calculated…

A confidence interval (C.I.) is a range of values that is likely to include a population parameter with a certain degree of confidence. This…

Whenever you conduct a hypothesis test, you will get a test statistic as a result. To determine if the results of the hypothesis…

When you conduct a t-test, you will get a test statistic as a result. To determine if the results of the t-test…

A z-score tells us how many standard deviations away a given value is from the mean. The z-score of a given value is…