Sunshine hours II

This task is about calculating an average (mean), creating a bar graph, and comparing the sunshine hours of two towns.
The table below shows the number of sunshine hours each month, over a year, in four New Zealand towns.
 
a) Complete the last two columns in the table to show:

  • the total sunshine hours for Hokitika and Gore, and
  • each town's mean (average) monthly sunshine hours.
 
 
Monthly Sunshine Hours
 
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Total

Mean
Kaitāia 207 210 195 190 185 160 150 160 180 190 200 205 2232 iii)  
Taupō 205 210 195 180 160 100 110 100 130 140 190 200 1920 iv)  
Hokitika 200 200 190 180 160 120 100 108 130 150 160 180 i)   v)   
Gore 195 190 180 170 100 90 75 90 100 110 160 190 ii)  vi)  
 

b)
 
Complete a bar graph of Total Sunshine Hours for each town using the data in the table above.
 
 
Total Sunshine Hours

table of sunshine hours for towns

c)
 
Make a statement which compares the sunshine hours of any two towns.