Descriptive statistics Flashcards
1
Q
What is the dispersion?
A
Extent to which the data varies around the average.
Tells you how strong the average is
2
Q
What is the variance?
A
Asks how far that individuals score is away from the mean
3
Q
What is the standard deviation
A
A measure of how spread out the different participant scores are
4
Q
What is a histogram?
A
A graph that shows the frequency of the scores (per group)
5
Q
What is a scattergram?
A
Compares the two variables with dots, each dot is the score of each pair of variables per participant.
E.G variables = time on exam, grade
Dot = 60mins on exam, got 86% on exam
6
Q
What is a boxplot?
A
Looks at difference between conditionsqq