The t test is used when the mean and standard deviation of the population are known.
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Q65: The single-sample t test compares the mean
Q66: Degrees of freedom for the single-sample t
Q67: There is one t distribution for all
Q68: The standard deviation of the sample is
Q69: For smaller samples, the t distributions are
Q71: The t statistic indicates the distance of
Q72: Standard error is always smaller than the
Q73: A sample of 20 with a standard
Q74: There is one t distribution for each
Q75: As degrees of freedom increase, the critical
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