Frequency (f)
Relative Frequency (r.f.)
Conditional Relative Frequency (c.r.f.)
Sum (Σ)
Population Standard Deviation (σ)
Popualtion Variance (σ²)
Population Mean (μ)
Sample Mean (x̅)
Sample Standard Deviation (Sx)
Sample Variance (Sx²)
Sum of Squares (SS)
Median (M, Q2)
Lower Quartile (Q1)
Upper Quartile (Q3)
Percentile (P#)
InterQuartile Range (IQR)
Sample Size (n)
Population Size (N)
Degrees of Freedom (DF)
Relative Frequency (r.f.)
Cumulative Relative Frequency (c.r.f.)
z-score or Standardized Value for a Normal Model (z)
y-intercept (bo)
Slope (b1)
Residual (e)
Correlation Coefficient (r)
Coefficient of Determination (R2)
Standard Error of Residuals (S or Se)
Sum of Squared Error (SSE)
Regression to the Mean (x̅, ȳ)
x-value (x)
Actual y (y)
Predicted y (ŷ)
LSRL (ŷ=bo+b1x)
Sample Size (n)
Population Size (N)
Specific Term (nth)
Cluster or Experimental Group (G)
Treatment (T)
Complement of Some Event (Ec , E', or Ē )
Union of Two Events (U)
Joint of Two Events (⋂)
IN PROGRESS