Symbols of correlation & regression Flashcards
1
Q
- Mean (x̄)
- n (wth is that)
- Sum of x values (∑x)
- Sum of x² values (∑x²)
- Population variance (σ²x)
- Sample variance (s²x)
- Population standard deviation (σx)
- Sample standard deviation (sx)
- Lower quartile (Q1)
- Upper quartile (Q3)
- Median (med)
A
Ty
2
Q
What symbol is this?
x̄
A
Mean
3
Q
What symbol is this?
n
A
I actually don’t know
4
Q
What symbol is this?
∑x
A
Sum of x values
5
Q
What symbol is this?
∑x²
A
Sum of x² values
6
Q
What symbol is this?
σ²x
A
Population variance
7
Q
What symbol is this?
s²x
A
Sample variance
8
Q
What symbol is this?
σx
A
Population standard deviation
9
Q
What symbol is this?
sx
A
Sample standard deviation
10
Q
What symbol is this?
Q1
A
Lower quartile
11
Q
What symbol is this?
Q3
A
Upper quartile
12
Q
What symbol is this?
med
A
Median… rlly nickg
