Parameter vs Statistic
p hat vs p
a statistic and a parameter, respectively
to show the population mean, I would use
mu
the sample proportion is denoted by
p hat
mu belongs to
parameter
mu: statistic or parameter?
parameter
p: statistic or parameter?
parameter
sigma: statistic or parameter?
parameter
"p" belongs to
parameters
Greek letters are typically used for
parameters
p is used in
parameters as the population proportion
population standard deviation is denoted by
sigma
p hat: statistic or parameter?
statistic
s: statistic or parameter?
statistic
x bar: statistic or parameter?
statistic
"s" is used in
statistics
p hat is used in
statistics
p hat is used for
the sample proportion
the sample mean is denoted by
x bar
Parameter
A characteristic of a population
Typically unknown and used for populations
Parameter
Based on data
Statistics
