What's the difference between probability and variance?

Probability


Definition:

  • (n.) The quality or state of being probable; appearance of reality or truth; reasonable ground of presumption; likelihood.
  • (n.) That which is or appears probable; anything that has the appearance of reality or truth.
  • (n.) Likelihood of the occurrence of any event in the doctrine of chances, or the ratio of the number of favorable chances to the whole number of chances, favorable and unfavorable. See 1st Chance, n., 5.

Example Sentences:

  • (1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
  • (2) PMS is more prevalent among women working outside the home, alcoholics, women of high parity, and women with toxemic tendency; it probably runs in families.
  • (3) In dogs, cibenzoline given i.v., had no effects on the slow response systems, probably because of sympathetic nervous system intervention since the class 4 effects of cibenzoline appeared after beta-adrenoceptor blockade.
  • (4) Results indicated a .85 probability that Directive Guidance would be followed by Cooperation; a .67 probability that Permissiveness would lead to Noncooperation; and a .97 likelihood that Coerciveness would lead to either Noncooperation or Resistance.
  • (5) This may be due to efficient replacement of Leu by Phe at CUC (and, probably, CUU) codons throughout the genome.
  • (6) Quantitative determinations indicate that the amount of PBG-D mRNA is modulated both by the erythroid nature of the tissue and by cell proliferation, probably at the transcriptional level.
  • (7) This difference is probably secondary to the different rates of delivery of furosemide into urine.
  • (8) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
  • (9) Because of the short detachment interval, and the absence of underlying pathology or trauma, the recovery process described here probably represents an example of optimum recovery after retinal reattachment.
  • (10) A re-examination of the literature indicates that many phagocytes previously unidentified or considered to be microglial cells are probably beta astrocytes.
  • (11) That suggests they are being replenished by sulphur dioxide, most probably from volcanoes.
  • (12) Asthma is probably the commonest chronic disease in the United Kingdom, and its attendant morbidity extends outside the possible scope of the hospital sector.
  • (13) It is concluded that fibroblast replication is an important mechanism leading to the pathologic fibrosis seen in graft versus host disease and, by analogy, probably other types of immunologically mediated fibrosis.
  • (14) Probability distributions are fitted to these data and it is shown that the log-series distribution best fits the data for two subgroups.
  • (15) The increased muscular strength in due to a rise of calcaemia, improved muscle contraction and probably also due to the mentioned nutritional factors.
  • (16) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
  • (17) Of the 16 cases, 14 (88%) were diagnosed as TSS or probable TSS by the attending physician, although only nine (64%) of the 14 diagnosed cases were given the correct discharge code.
  • (18) These results indicate that both racemic and L-baclofen inhibit trigeminal transmission in man, probably because they interfere with excitatory transmission through the interneurons of the lateral reticular formation.
  • (19) A second Scottish referendum has turned from a highly probable event into an almost inevitable one.
  • (20) However, since these levels were unaltered by reducing the antiandrogen dosage, the main action of the therapy is probably that of the antiandrogen within the target cells.

Variance


Definition:

  • (n.) The quality or state of being variant; change of condition; variation.
  • (n.) Difference that produce dispute or controversy; disagreement; dissension; discord; dispute; quarrel.
  • (n.) A disagreement or difference between two parts of the same legal proceeding, which, to be effectual, ought to agree, -- as between the writ and the declaration, or between the allegation and the proof.

Example Sentences:

  • (1) Under resting conditions, the variance of cerebral metabolism seems to be primarily related to regions which are closely involved with the limbic system.
  • (2) Comparisons of ICR locations were made between flexion and extension, between left and right limbs, and between living and dead dogs, using analysis of variance.
  • (3) Calbindin-D9K (immunoassay) was decreased in SHR vs WKY rats by 27%, 64%, and 67% in segments A1, B1, and C1, respectively (P < 0.01); its mRNA was decreased to a similar extent (69%, 82%, and 80%, respectively; P < 0.002 by analysis of variance).
  • (4) During recovery, while the heart rate decreased and the RR interval variance increased, there was a relative increase in LF and a relative decrease in HF in normal subjects (either sedentary or athletic).
  • (5) The total amount of variance explained in the frequency of utilization (47%) exceeded that explained by other studies of utilization of various health services by the elderly.
  • (6) However, consistent data collection procedures appeared to reduce within-subject variance.
  • (7) The tissue counts and specific activity were analyzed by three-way analysis of variance.
  • (8) The pattern of day to day variability in egg counts from individuals can be characterized by the linear relationship between the logarithms of the variances and means.
  • (9) It appears impossible to define a "positive" tilt test that would adequately identify patients with clinically significant dehydration or blood loss; this is due to the large variance in patients' orthostatic measurements both in a healthy and in an ill state and the lack of a significant correlation of orthostatic measurements to a level of dehydration.
  • (10) There was a large variance of the obtained values in all groups.
  • (11) The excellent comparability of paired platelet counts, at variance to that found in some previous studies, indicates that skin puncture blood can be used for platelet estimation providing an appropriate counting method is used.
  • (12) Analysis of variance confirmed that the intra-individual variations (CV = 36%) exceeded all other variance components involved.
  • (13) Child weight accounted for 72 and 78% of the variance in RMR in studies 1 and 2, respectively.
  • (14) Study I findings did not provide support for synergistic mechanisms; nonorthogonal analysis of variance showed interaction effects (CRT x IT) restricted to tactile-perceptual speed.
  • (15) The PvuII-CIII and PvuII-AIV polymorphisms were both associated with differences in apo AI levels, explaining 3.7%-5.7% of the sample variance.
  • (16) Fifty-two percent of the variance in visit volume were explained; compared with the findings reported in similar studies, alignment with a regular source of care was more closely associated with visit volume and physician contact.
  • (17) The best was the oral version of the Symbol Digit Modalities test, which by itself accounted for 70% of the variance of the full-sized-vehicle driving score.
  • (18) Both the indirect and direct measures of attitude and social norm explained a significant amount of the variance in intention and BSE frequency.
  • (19) The analysis of variance proved the parallelity and linearity of the dose-response curves.
  • (20) Although large metropolitan programs generally followed the guidelines of the American Thoracic Society and the Center for Disease Control for tuberculosis chemoprophylaxis, some major variances in practice were reported.