z.test default implementation

# S3 method for default
z.test(
  x,
  y = NULL,
  alternative = c("two.sided", "less", "greater"),
  mu = 0,
  sigma,
  conf.level = 0.95,
  data = NULL
)

Arguments

x: x
y: y
alternative: alternative
mu: mu
sigma: sigma
conf.level: conf.level
data: data