HELP PLZ PLZ Why should you use the median and interquartile range (IQR) to compare two populations that contain outliers?
The median and IQR make graphs of the data appear symmetrical.
The median and IQR increase the influence of outliers.
The median and IQR make the data distribute more evenly.
The median and IQR are not influenced by the presence of outliers.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.