Textbooks: Glass and Hopkins, 1995
EDF 6407 Major Concepts
For the Midterm
Frequency Distribution
Histogram
Frequency polygon
Box-and-whisker plot
Cumulative frequency distribution (ogive)
Stem-and-leaf plot
Percentile
Statistics (descriptive vs. inferential)
Variable
Value
Observational unit
Measurement
Scale of measurement
continuous vs. discrete
central tendency
normal curve
skewness
kurtosis
z-score
correlation
bivariate plot
cross-product
covariance
strength vs. direction
Pearson product-moment correlation
Spearman Rank Correlation
curvilinearity
restriction of range
outlier
regression equation
slope
y-intercept
predicted value
decomposition
SS regression
SS residual
coefficient of determination
For the Final
population
sample
sampling distribution
parameters vs. statistics
central limit theorem
standard error
standard error of the mean
accuracy
precision
point estimate
interval estimate
confidence interval
null hypothesis
alternative hypothesis
Type I error
Type II error
power
Jacob Cohen
Z distribution
t distribution
One-mean Z test
One-mean t test
degrees of freedom
independent-means t test
correlated-means t test
effect size
assumptions
robustness
MS between
MS within
F test
