DAT/565 Wk 2 Discussion – Metrics and Information Visualization

The most frequently used measures of central tendency for quantitative data are the mean and the median. The following table shows civil service examination scores from 24 applicants to law enforcement jobs:
83 74 85 79
82 67 78 70
18 93 64 27
93 98 82 78
68 82 83 99
96 62 93 58
Using Excel, find the mean, standard deviation, and 5-number summary of this sample.
Construct on the Excel page a box plot depicting the 5-number summary. (In Excel page)
Does the dataset have outliers? If so, which one(s)? (In BB)
Would you prefer to use the mean or the median as of this dataset’s measure of central tendency? Why? (In BB)
Attach the Excel page along with your responses in Blackboard (BB).