The best replacement for z score is t score.


The best alternatives to z score are rated as following:
★★★★★  t score
★★  z statistic
★★  percentile
★★  z test
★  z value
★  critical value
★  p value
★  raw score
  cpk
  standard score
  t test
  test statistic

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Speaking about z score, one probably shouldn't forget about standard deviation and mean.

Other search terms related to z score and their ratings are:

★★★★★ standard deviation and mean
★★★ percentile
★★ standard deviation
★★ area calculator
99 level of confidence
95 confidence interval
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