UsingR: simple.z.test – R documentation

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simple.z.test

Implement basic z-test for illustrative purposes

Imlements a z-test similar to the t.test function

simple.z.test(x, sigma, conf.level=0.95)

`x`	A data vector
`sigma`	the known variance
`conf.level`	Confidence level for confidence interval

Returns a confidence interval for the mean

Joh Verzani

x<-rnorm(10,0,5)
  simple.z.test(x,5)

Data Sets, Etc. for the Text "Using R for Introductory Statistics", Second Edition

v2.0-6

GPL (>= 2)

Authors

John Verzani <verzani@math.csi.cuny.edu>

Initial release