Statistics Flashcards
What is data
An unordered list
What is statistics
Statistics is the branch of maths dealing with collecting and recording data
How do we make it into info
Order it
What is the cycle of handling data
Pose a question
Collect data
Analyse the data
Interpret the results
What are the two types of data
Numerical and categorical
What are the two types of numerical data
Discrete and continues
What are the two types of categorical data
Nominal and ordinal
What is numerical data
Questions that can be answered with numbers
What is categorical data
Questions that can be answered in words
What are some examples of numerical discrete data
Goal scores
Numbers on a die
No. Of people ina family
Shoes size
What are some examples of numerical continues data
Weight
Temperature
Time.
Pressure
What are some examples of categorical nominal Data
(Can’t be ordered)
Hobbies
Place names
Colours
What are some examples of categorical ordinal data
(Can be ordered)
Exam grades
House no,
Position in a race
What’s the mean
The average
What is the mode
The no. That apperars the most amount of times
What is the median q
The idle no. When listed in order
What is the range
Highest no. - lowest no.
What are bar charts q
A simple but effective way of displaying data bar charts consist of a series of bars of the same width seperated by narrow gaps of equal width
What is a steam and leaf plot
It’s a way of showing data that it gives you the origin,a data and gives you the overall picture of that shows you the shape of the data
DONT FORGET KTHE KEY
