This archive file of MTH 157 Week 1 Discussion Questions shows the solutions to the following problems:
DQ 1: Under what conditions might it be appropriate to use the mean? Median? Mode? When the median and mean are substantially different, what does that tell you about the data? What information does the range and standard deviation provide about the data?DQ 2: Choose two of the following types of displays: dot plots, stem and leaf plots, histographs, pictographs, line plots, or circle graph. In which situations is it appropriate to display data using each type you selected? When is it inappropriate to use the data displays you selected?