Answer:
2)
The second sample is likely to be more representative of the population.
3)The second sample will give a better representation because it is larger.
5)
Community members probably visit the dentist about once every 18 months.
Step-by-step explanation: Just did this on Edge
I am not really sure but x=1.84 and y=-1.064
The third one :) 8 is not greater than the absolute value of -9, which is 9