Depending on the characteristics of the data, it may be better to use one measure over another. A person's choice of measure may also be affected by the point they want to make. With the mean, median and mode to choose from, we could use the one which best proves our desired point.
Ted is an employee works for a company and currently only gets paid \$26000 per year, so he wants a pay raise. Here is the breakdown of the employees' salaries as both a list and in a frequency table:
\$26000, \$26000, \$26000, \$26000, \$58000, \$58000, \$58000, \$58000, \$58000, \$58000, \$58000, \$58000, \$58000, \$58000, \$62000, \$62000, \$62000, \$62000, \$62000, \$150000, \$150000, \$150000, \$400000
Annual Income | Number of Employees |
---|---|
\$26000 | 4 |
\$58000 | 10 |
\$62000 | 5 |
\$150000 | 3 |
\$400000 | 1 |
The International Association of Athletics Federations recorded Usain Bolt's fastest times in the 100 m sprint for 7 years. The results are recorded in the table below:
Usain Bolt's Fastest Annual Times 2007-2013 | |
---|---|
Year | Time (seconds) |
2013 | 9.77 |
2012 | 9.63 |
2011 | 9.76 |
2010 | 9.82 |
2009 | 9.58 |
2008 | 9.69 |
2007 | 10.03 |