Data collection

Question 1

what is simple random sampling

Answer 1

Question 2

what is systematic sampling

Answer 2

Question 3

what is stratified sampling

Answer 3

Question 4

what is quota sampling

Answer 4

Question 5

what is opportunity sampling

Answer 5

Question 6

define population

Answer 6

a population is a collection of all items

Question 7

define a statistic

Answer 7

(a random variable) that is a function of the sample which contains no unknown quantities/parameters

Question 8

ask hannah

Answer 8

about what to know for large data sets

Question 9

what is a census

Answer 9

method of observing and measuring every member of a population, it is used to collect data from a whole population rather than just a sample

negatives:
- if the population is large it can be difficult to collect and process so much information