Stats

Question 1

Random number sampling

Answer 1

Each sample is given a number then a random number is generator

Question 2

Systematic sampling

Answer 2

Every nth item in the target population is selected

Question 3

Stratified sampling

Answer 3

The population is divided into​ subgroups, called​ strata, based on some​ characteristic, and then a random sample is taken from each stratum

Question 4

Quota sampling

Answer 4

Units are chosen to have n from each group

Question 5

Opportunity sampling

Answer 5

Units are the first n available

Question 6

Lottery sampling

Answer 6

The members of the sampling frame could be written on tickets and placed into a ‘hat’. The required number of tickets would then be drawn out.

Question 7

Standardising the normal distribution

Answer 7