1) find total frequency
[tex]=172+190+128+172+58\\=720[/tex]
2) divide each frequency by the total frequency
UK:
= 172 / 720
= 0.2388888889
Europe:
= 190 / 720
= 0.2638888889
USA:
= 128 / 720
= 0.1777777778
Africa:
= 172 / 720
= 0.2388888889
Other:
= 58 / 720
= 0.0805555556
3) multiply value by 360:
UK:
= 360 x 0.2388888889
= 86 degrees
Europe:
= 360 x 0.2638888889
= 95 degrees
USA:
= 360 x 0.1777777778
= 64 degrees
Africa:
= 360 x 0.2388888889
= 86 degrees
Other:
= 360 x 0.0805555556
= 29 degrees
