Notice that the total amount of people on the survey is 100. Since there are 48 girls in total, then the total amount of boys must be 52.
For the total of boys to add up to 52, there must be 52-16-27=9 boys whose favorite flavour is Strawberry.
For the total of girls to add up to 48, there must be 48-19-19=10 girls whose favorite flavour is Vanilla.
Adding the corresponding values for each column, we can see that the Total row should be filled as follows:
Vanilla: 10+16 = 26
Mint: 19+27 = 46
Strawberry: 19+9 = 28
The most liked flavour is Mint, and the least liked flavour is Vanilla.
