Week 8 : RMA Flashcards
1
Q
What are the measures of spread?
A
Range, Standard Deviation and interquartile range
2
Q
What is the range?
A
Tells u show many data points there are between the highest data point and the lowest
3
Q
What is the interquartile range?
A
Measures of spread of middle 50% scores between the 1st and 3rd quartile
4
Q
What is standard deviation?
A
The measure of variation around the mean
5
Q
What data does a bar graph show?
A
Nominal or ordinal
6
Q
What data do stem plots show?
A
data in compact form
7
Q
What do box plots show?
A
Low quartiles and high quartiles, max, mini and outliers
8
Q
What do scatter plots do?
A
Show the relationship between two variables
