Types of Data

Question 1

What are the 3 types of random sampling

Answer 1

simple random
systematic
stratified

Question 2

What is simple random sampling

Answer 2

number population
random number generate
match to population

Question 3

What is systematic sample

Answer 3

choosing every nth item
random number for 1st value

Question 4

What is stratified sample

Answer 4

defined groups
proportional to each group so balanced

Question 5

What are the two types of non-random sampling

Answer 5

quota sampling
opportunity/convenience sampling

Question 6

What is quota sampling

Answer 6

split population like stratified for unknown group numbers

Question 7

What is opportunity sampling

Answer 7

asking first n people

Question 8

What is qualitive data

Answer 8

non numerical
i.e colour nationalities

Question 9

What is quantitative data

Answer 9

numerical

Question 10

What is quantitative data split into

Answer 10

discrete data
continuous data

Question 11

What is discrete data

Answer 11

data that can only take certain values i.e cloud cover

Question 12

What is continuous data

Answer 12

any value data no gaps inbetween table measurements