Science
posted by Dulce .
Two students collect information about the number of dandelions in a park. Based on their sampling, they estimate that there are 900 dandelions in the 300squaremeter city park. To determine the accuracy of their estimate, which of the following questions is necessary?
A. What was the range of sizes among the sampled dandelions?
B. How many samples were taken to determine the estimate?
C. What time of day was the sampling conducted?
D. Were the dandelions distributed only in grassy areas?
I think it is D.

Probably not D.

the answer is B
Respond to this Question
Similar Questions

Earth Science
for science i need to calculate and answer a fermi question. A fermi question is a scientific question which basically bizarre. Anyway, my question is "How many rabbits would it take to consume all the dandelions in central park if … 
math HELP!!
What is the answers to following( i can't get it) Estimate each quotient. 2. 24,678 ÷ 83 3. 18,857 ÷ 37 4. 53,556 ÷ 32 5. 5,539 ÷ 90 6. 36,626 ÷ 12 Find each quotient. 7. 31 1,798 8. 81 7,776 9. 27 8,775 10. 96 … 
math 101
Find each quotient. 7. 31 1,798 8. 81 7,776 9. 27 8,775 10. 96 31,776 11. 72 4,032 12. 78 12,168 13. 48 10,608 14. 56 31,136 15. The town collected $43,556 in park fees over the past year. … 
statistics
A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock … 
statistics
A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock … 
Math
Sharon made a scale drawing of a triangular park. The coordinates for the vertices of the park are: (– 10, 5) (15, 5) (10, 12) Her scale is 1 unit = 1 meter. What is the area of the triangular park in square meters? 
math
Sharon made a scale drawing of a triangular park. The coordinates for the vertices of the park are: (– 10, 5) (15, 5) (10, 12) Her scale is 1 unit = 1 meter. What is the area of the triangular park in square meters? 
science
31. Two students collect information about the number of dandelions in a park. Based on their sampling, they estimate that there are 900 dandelions in the 300squaremeter city park. To determine the accuracy of their estimate, which … 
math
To determine the squirrel population in a city park, researchers tagged 90 squirrels. Later, they counted 630 squirrels, 42 of which had tags. Based on this data, what is the total number of squirrels in the park? 
math
Could someone please help me answer this question i am stuck! A Marketing company provides the following formulas to the owner of an amusement park to help him make decisions about the park. The number , N, of people who attend the …