Sampling

Question 1

what do we need to ensure samples are NOT

Answer 1

make sure they aren’t bias and that they are representative

Question 2

what do we use sampling for

Answer 2

getting information about population of organisms in the environment

Question 3

what are the three types of sampling

Answer 3

systematic, random and stratified

Question 4

what does systematic sampling involve

Answer 4

even spread throughout the environment/sample area

Question 5

what is random sampling

Answer 5

using a random number generator all points are decided at totally random. Gives each point equal chance of selection

Question 6

what are negatives of random sampling

Answer 6

there could be bunching, take more if this happens

Question 7

what do you use for sampling

Answer 7

a quadrat

Question 8

how many coordinates should you get

Answer 8

20