1 Flashcards
1
Q
Variance?
A
Average squared distance to the mean
2
Q
Measures of Center
A
Mean Median Mode
3
Q
Measure of Spread
A
SD Variance Range IQR
4
Q
How to describe histograms?
A
Shape Center Spread Strange
5
Q
Visual representation for quantitative
A
Histogram box whisker dot stem
6
Q
Visual representation for categorical
A
Seg bar, pie, bar
7
Q
Independent Categorical Example
A
Gender and Pizza preference
8
Q
Independent Quantitative Example
A
Height and IQ
9
Q
Associated Categorical Example
A
Gender and Video Game Playing
10
Q
Associated Quantitative Example
A
Study time and Test Score
11
Q
How to describe scatterplots?
A
Direction, Form, Strength, Strange
12
Q
What is rSy/Sx
A
Slope of the regression line
13
Q
Sample Mean Notation
A
X Bar
14
Q
Sample Standard Deviation Notation
A
S
15
Q
Pop Mean Notation
A
Mu
