Hi Alexander, With Add, statistics are computed using the statistical quantities in both histograms. In this case, the resulting stats preserve the original full accuracy. In case of a multiplication/division, statistics are recomputed from the bin contents. Rene Brun Alexander Cherlin wrote: > > Dear rooters! > If I create a new histogram using Add (or Multiply), what show Mean and > RMS values in statistics of the new histogram? > > Thanks in advance, > Alexander. > > ************************************************************************ > * Alexander Cherlin | Home: * > * Department of Particle Physics | Pinsker str., 50/15 * > * Weizmann Institute of Science | Rishon le-Zion 75910 * > * Rehovot 76100 ISRAEL | ISRAEL * > * PHONE : 972 8 9343372 | PHONE: 972 3 9560344 * > * FAX : 972 8 9466253 | CELLULAR * > * | PHONE: 972 54 629228 * > * | FAX: 972 15154 629228 * > *----------------------------------------------------------------------* > * E-mail: cherlin@wicc.weizmann.ac.il * > * Alexander.Cherlin@cern.ch * > * URL : http://www.weizmann.ac.il/home/cherlin * > ************************************************************************
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