Examination of the box plot, which is nonsymmetric, and the small sample size, which causes low power, make the sign test a more appropriate test of location. The p -value of .75 for this test ...

The percentile variables from the previous exercise are available in the workspace as ptiles_vers and percentiles. Note that to ensure the Y-axis of the ECDF plot remains between 0 and 1, you will ...

Visualization is the representation of information in the form of various charts or images. Data visualization is used to identify useful patterns, to understand trends, and to find out outliers in ...