Answer:
When it is small & when the sample has things that are different from the population.
Step-by-step explanation:
A small sample has less chance of accurately reflecting a population & too many variables can also negatively influence the study.
Answer:
r=-6
Step-by-step explanation:
85! Because there are 128 oz. in a gallon and there are 4 gallons. 128x4=512 divide 512 by 6 and get 85.333 85 is the greatest amount.