Symbols/Notation Flashcards
1
Q
What symbol is this? x̄
A
X-bar
2
Q
What does this symbol mean? x̄
A
Sample mean
3
Q
What does this symbol mean? N
A
Population size
4
Q
What does this symbol mean? n
A
Sample size
5
Q
What does this symbol mean? s
A
Sample standard deviation
6
Q
What does this symbol mean? ∑
A
Summation
7
Q
What symbol is this? ∑
A
Sigma
8
Q
What is this symbol? σ
A
Sigma
9
Q
What does this symbol mean? σ²
A
Population Variance
10
Q
What does this symbol mean? s²
A
Sample Variance
11
Q
What is this symbol? µ
A
Mu
12
Q
What does this symbol mean? µ
A
Population mean
13
Q
What does this symbol mean? σ
A
Population Standard Deviation
14
Q
What does this symbol mean? r
A
Sample correlation coefficient
15
Q
What does this symbol mean? r² or R²
A
Coefficient of determination