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What is the main difference between z score and t score? t Scores are used whenever the sample size is less than 30. t Scores
What is the main difference betweenzscore andtscore?
tScores are used whenever the sample size is less than 30.
tScores are used when the population variance is unknown.
tScores are used when the study requires a one-tailed hypothesis.
tScores are only used when inferences are made about other samples.
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