Use the following data set and find the indicated measures of center. Display the data with a box-and-whisker plot. Data for #23-26:
3,5, 5, 7, 8, 8, 8, 15, 15, 20

23. mean:_. 24. median:_
25a. mode:_. 25b, range:_
26. Box-and-whisker:_