Day 16 - 9/18/14 Flashcards
How do you work out spread?
range between highest to lowest
What is the Five Number Summary?
Minimum Lower Quartile Q1 Median Q2 Higher Quartile Q3 Maximum
What is the standard deviation?
Measure of the VARIABILITY of Data
How do you work out spread? (Graph)
range between highest to lowest (VARIABILITY)
What is Location
the average
What is Shape
The DISTRIBUTION symmetric/right/left-skewed
Define Positive Linear
As one VARIABLE INCREASES, the other INCREASES.
Define Non-Linear
Points are scattered at random/ no relationship
Define Negative Linear
As on VARIABLE INCREASES, the other DECREASES
What methods present QUALITATIVE data?
Bar Chart
Clustered Bar Chart
Pie CHart
What methods present QUANTITATIVE data?
Dotplot
Histogram Box Plot
Scatterplot
Labelled Plot
Define does Independant SAMPLE
Values don’t effect each other
Define does Dependant SAMPLE
Values effect each other