Dear Statalisters,
following some seemingly unfruitful research on Statalist Archives, Stata
9.2/SE manual and Google, I would kindly ask you for a clarification and the
related formula concerning the meaning of z in bootstrap output (please, see
below).
Thanks a lot for your kindness and for your time.
Kind Regards,
Carlo
-----------------------------------------------------------------------
Bootstrap results Number of obs =
100
Replications =
10
command: ttest A_C == B_C, unpaired unequal
_bs_1: r(mu_1)
_bs_2: r(mu_2)
----------------------------------------------------------------------------
--
| Observed Bootstrap Normal-based
| Coef. Std. Err. z P>|z| [95% Conf.
Interval]
-------------+--------------------------------------------------------------
--
_bs_1 | 47.30786 2.200492 21.50 0.000 42.99497
51.62074
_bs_2 | 76.26435 3.772698 20.21 0.000 68.86999
83.6587
----------------------------------------------------------------------------
--
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