population
variables
cost
sample
categorical variable
quantitative variable
observational study
survey
observational study
observational study
bias
sampling bias
central tendency
dot plot
...
stem and leaf plot
histogram
skewed histogram
boxplot
...
parameter
statistics
statistical inference
population proportion
proportion
sample proportion
population mean
sample mean
deviation
range
interquartile range (IQR)
sample standard deviation
modified boxplot
empirical rule
modeling
best fit