[b][u]Data Analysis[/u][/b] means being able to find the following measures of central tendency: [b]mean[/b], [b]median[/b], [b]mode[/b], and [b]range[/b]. The mode is written as a list of elements separated by a comma. When there is [b][u]no mode[/u][/b], click on the [b]No Mode[/b] check box below the mode value entry.[br][br]Many call the [b]mean[/b], the [i][u]average[/u][/i]. But there is more than just one value used to persuade people to their side; these are the [b]mode[/b], [b]median[/b], and [b]range[/b].

[b]mean:[/b] add all values is set and divide by the number of values[br][b]median:[/b] the number in the middle of the sort list of values; when there is an even number the median is the average of the two middle numbers[br][b]mode:[/b] the most common value in the set; sometimes there is no value or multiple different common values {[b]M[/b]ost [b]O[/b]ften [b]D[/b]ata [b]E[/b]ntered}; Mode answers must be inside of { } for None, {#} for a single mode, {#,#,...} for multiple mode answers.[br][b]range:[/b] the difference of the largest and smallest values