Glossary (Definitions)

Question 1

Define population

Answer 1

the whole set of items that are of interest

Question 2

Define sample

Answer 2

a subset of the population intended to represent the population

Question 3

Define sampling unit

Answer 3

each individual thing in the population that can be sampled

Question 4

Define sampling frame

Answer 4

the list formed by individually naming or numbering the sampling units in the population

Question 5

Define census

Answer 5

the data that is collected from the entire population

Question 6

Define qualitative data

Answer 6

any data that is NOT numerical

Question 7

Define quantitative data

Answer 7

any data that IS numerical

Question 8

Define discrete data

Answer 8

any data that has to be a specific value e.g. shoe size

Question 9

Define continuous data

Answer 9

any data that can be ANY value possible within a specified range

Question 10

Define measures of location

Answer 10

values which describe a position in the data set

Question 11

Define measures of central tendency

Answer 11

something to do with the centre of the data

Question 12

Define measures of spread

Answer 12

something to do with how the data is spread out

Question 13

Define standard deviation

Answer 13

a value that shows how far away individual numbers are from the mean

Question 14

Define an outlier (in the context of box plots)

Answer 14

a value in a data set that typically is 1.5 IQRs beyond the lower and upper quartiles