Statistics

Question 1

Categorical data

Answer 1

Used for words e.g. hair colour

Question 2

Nominal data

Answer 2

Nominal categorical data can’t be ordered

Question 3

Discrete data

Answer 3

Numbers that can only have a certain values e.g. shoe size

Question 4

Continuous

Answer 4

Continuous data is data that could have any value within a certain range e.g. your age

Question 5

Ordered data

Answer 5

Data that can be put in order

Question 6

Primary data

Answer 6

Collected by or for the person that is going to use it e.g. survey or experiment

Question 7

Secondary information

Answer 7

Not collected by the person who is going to use it e.g population census

Question 8

Population

Answer 8

The entire group being studied

Question 9

Sample

Answer 9

A group that is selected from the population

Question 10

Frequency tables

Answer 10

Use of a tally to get frequencies

Question 11

Line plots

Answer 11

Dots or x’s in vertical lines evenly spaced

Question 12

Bar charts

Answer 12

Frequency on vertical axis, columns must be of equal width. lalle axis using ruler, for discrete data

Question 13

Pie charts

Answer 13

Full circle - 360°