unfamiliar feildwork

Question 1

What is Random sampling?

Answer 1

selecting a person or area to study at random

Question 2

What is the advantage of random sampling?

Answer 2

it’s unbiased

can be used with large populations

Question 3

What is the disadvantage of random sampling?

Answer 3

not a fair representation
practical constraints (can’t reach area or not enough time)

Question 4

What is Systematic sampling?

Answer 4

collecting data in an ordered or regular way

Question 5

systematic sampling advantages

Answer 5

gives a good coverage of the study area

easily achieved

Question 6

systematic sampling disadvantages

Answer 6

biased as not even chance of arras being chosen

may lead to under representation

Question 7

What is Qualitative data?

Answer 7

Data does not have to be in numeric form - it can also be in words and descriptions.

Question 8

What is quantitative data?

Answer 8

numerical data

Question 9

What is Stratified sampling?

Answer 9

dividing sampling into sub-categories to make up different proportions

Question 10

stratified sampling advantages

Answer 10

easy to make comparisons

Question 11

stratified sampling disadvantages

Answer 11

takes time and accuracy to calculate areas