The Difference Between the Denominator of the Z Statistic and That

question 87

Multiple Choice

The difference between the denominator of the z statistic and that of the single-sample t statistic is that in a:

• A) z statistic we divide by the actual population standard error (s_M), but in a t statistic we divide by the estimated standard error (\(\sigma\)_M).
• B) z statistic we divide by the actual population standard error (\(\sigma\)_M), but in a t statistic we divide by the estimated standard error (s_M).
• C) t statistic we divide by the actual population standard error (s_M), but in a z statistic we divide by the estimated standard error (\(\sigma\)_M).
• D) t statistic we divide by the actual population standard error (\(\sigma\)_M), but in a z statistic we divide by the estimated standard error (s_M).

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