A random sample of voters was taken, and individuals asked their opinion on the Federal government's strategy to control COVID-19 in Australia, and the city they reside in. The researcher claims that the opinion on the government's COVID-19 strategy is independent of city. Here are the results. Assume the conditions are satisfied.

Observed Frequencies Approve Disapprove | Undecided Total Adelaide 25 38 15 78 Brisbane 36 39 10 85 Canberra 30 40 10 80 Darwin 28 26 5 59 Hobart 33 38 12 83 Melbourne 47 48 10 105 Perth 35 25 10 70 Sydney 24 26 6 56 Total 258 280 78 616