Types of Data
The heights of people in the classroom
numerical data
Used to represent categorical data
column graph
how many in a bakers dozen
13
The second column of a frequency table (usually)
tally
The (numerical) average score in a study of data
mean
Color of peoples eyes in Year 9
categorical data
Used to represent numerical data
histogram
What is the model of Beats OVER-ear headphones?
Studio
This must be done prior to working out the median of a data set
ordering the data in ascending order
Post codes
categorical data
When all the data on the graph is spread out evenly
symmetrical graph
A blue marlin is a type of what?
fish
what is being calculated when the sum of frequency times the scores is divided into the total number of frequency?
mean
When more two modes exist in a data set
bi-modal
Flavours of ice cream ranked from least favorite to most favourite
categorical - ordinal data
When majority of the data in a graph is towards the left hand side
positively skewed
Which large mammal, known for its thick fur and humpbacked shoulders, is native to Alaska and once roamed much of North America in vast herds?
American Bison
A section of the frequency table that includes more than one value
class interval (or intervals)
Calculate the median of the following data:
2, 3, 7, 5, 8
= 5
The number of recycling bins at the school
Numerical - discrete data
Most appropriate graph to use when we have two sets of data and want to display them next to each other
Back-to-back stem and leaf plot
What was the most streamed song on Spotify in 2024?
"Espresso" – Sabrina Carpenter
"Beautiful Things" – Benson Boone
"Birds of a Feather" – Billie Eilish
"Gata Only" – FloyyMenor & Cris Mj
"Lose Control" – Teddy Swims
"Espresso" – Sabrina Carpenter
Highest take-away lowest
range