Bar Charts And Pie Charts Worksheet Page 4

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63: 68. So 63.68 million Halo games have been sold. Next we divide each fre-
quency by 63.68 to turn it into a percentage of relative frequency.
Year
Game
Percentage of Units Sold (in millions)
2001
Halo: Combat Evolved
5:5=63:68 = 8:63%
2004
Halo 2
8=63:68 = 12:5 6%
2007
Halo 3
12:06=63:68 = 18:9 4%
2009
Halo Wars
2:54=63:68 = 3:99%
2009
Halo 3: ODST
6:32=63:68 = 9:92%
2010
Halo: Reach
9:76=63:68 = 15:3 2%
2011
Halo: Combat Evolved Anniversary
2:37=63:68 = 3:72%
2012
Halo 4
9:52=63:68 = 14:9 5%
2014
Halo: The Master Chief Collection
2:61=63:68 = 4:1%
2015
Halo 5
5=63:68 = 7:85%
Note that despite changing from raw numbers to frequencies, the bars maintain
the same height relative to each other. Why?
4

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