What's the difference between mean and sigma?

Mean


Definition:

  • (v. t.) To have in the mind, as a purpose, intention, etc.; to intend; to purpose; to design; as, what do you mean to do ?
  • (v. t.) To signify; to indicate; to import; to denote.
  • (v. i.) To have a purpose or intention.
  • (superl.) Destitute of distinction or eminence; common; low; vulgar; humble.
  • (superl.) Wanting dignity of mind; low-minded; base; destitute of honor; spiritless; as, a mean motive.
  • (superl.) Of little value or account; worthy of little or no regard; contemptible; despicable.
  • (superl.) Of poor quality; as, mean fare.
  • (superl.) Penurious; stingy; close-fisted; illiberal; as, mean hospitality.
  • (a.) Occupying a middle position; middle; being about midway between extremes.
  • (a.) Intermediate in excellence of any kind.
  • (a.) Average; having an intermediate value between two extremes, or between the several successive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day.
  • (n.) That which is mean, or intermediate, between two extremes of place, time, or number; the middle point or place; middle rate or degree; mediocrity; medium; absence of extremes or excess; moderation; measure.
  • (n.) A quantity having an intermediate value between several others, from which it is derived, and of which it expresses the resultant value; usually, unless otherwise specified, it is the simple average, formed by adding the quantities together and dividing by their number, which is called an arithmetical mean. A geometrical mean is the square root of the product of the quantities.
  • (n.) That through which, or by the help of which, an end is attained; something tending to an object desired; intermediate agency or measure; necessary condition or coagent; instrument.
  • (n.) Hence: Resources; property, revenue, or the like, considered as the condition of easy livelihood, or an instrumentality at command for effecting any purpose; disposable force or substance.
  • (n.) A part, whether alto or tenor, intermediate between the soprano and base; a middle part.
  • (n.) Meantime; meanwhile.
  • (n.) A mediator; a go-between.

Example Sentences:

  • (1) Thirty-two patients (10 male, 22 female; age 37-82 years) undergoing maintenance haemodialysis or haemofiltration were studied by means of Holter device capable of simultaneously analysing rhythm and ST-changes in three leads.
  • (2) Age difference did not affect the mean dose-effect response.
  • (3) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
  • (4) Propranolol resulted in a significantly lower mean hourly, mean 24 h and minimum heart rate.
  • (5) Which means Seattle can't give Jones room to make 13-yard catches as they just did.
  • (6) A group I subset (six animals), for which predominant cultivable microbiota was described, had a mean GI of 2.4.
  • (7) Then the esophagogastric variceal network was thrombosed by means of a catheter introduced during laparotomy, which created a portoazygos disconnection.
  • (8) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
  • (9) In the group of high myopia (over 20 D), the mean correction was 13.4 D. In the group with refraction between 0 and 6 D, 88% of the eyes treated had attained a correction between -1 and +1 D 3 months postoperatively.
  • (10) That means deciding what job they’d like to have and outlining the steps they’ll need to take to achieve it.
  • (11) The difference in BP between a hospital casual reading and the mean 24 hour ambulatory reading was reduced only by atenolol.
  • (12) Until the 1960's there was great confusion, both within and between countries, on the meaning of diagnostic terms such as emphysema, asthma, and chronic brochitis.
  • (13) There were 12 males, 6 females, with mean age of 55.1 yrs (range 39-77 yrs).
  • (14) Measurement of urinary GGT levels represents a means by which proximal tubular disease in equidae could be diagnosed in its developmental stages.
  • (15) However, there was no statistically significant difference in mean areas under the LH and FSH curves in the GnRH-treated groups.
  • (16) Although lorazepam and haloperidol produced an equivalent mean decrease in aggression, significantly more subjects who received lorazepam had a greater decrease in aggression ratings than haloperidol recipients; this effect was independent of sedation.
  • (17) The mean and median values in the nondiabetic group are higher than in previously published reports.
  • (18) The way we are going to pay for that is by making the rules the same for people who go into care homes as for people who get care at their home, and by means-testing the winter fuel payment, which currently isn’t.” Hunt said the plan showed the Conservatives were capable of making difficult choices.
  • (19) Taken together these results are consistent with the view that primary CTL, as well as long term cloned CTL cell lines, exercise their cytolytic activity by means of perforin.
  • (20) Evidence is presented in support of the hypothesis that fresh bat guano serves as a means of pathogenic fungi dissemination in caves.

Sigma


Definition:

  • (n.) The Greek letter /, /, or / (English S, or s). It originally had the form of the English C.

Example Sentences:

  • (1) The programs are written in Fortran and are implemented on a Rank Xerox Sigma 6 computer.
  • (2) The use of sigma 54 promoters, known to require cognate binding proteins, could allow the fine-tuning that provides the temporal ordering of flagellar gene transcription.
  • (3) It is concluded that the marked effects of certain sigma ligands on DA cell electrophysiology are likely due to their non-sigma properties.
  • (4) The common effects of sigma agonist compounds on LCGU included a moderate, global elevation of LCGU.
  • (5) To test the hypothesis that EAA agonists are involved in transmission of nociceptive information in the spinal cord, we tested the effect of various opioid, sigma and phencyclidine compounds on the action of NMDA in the tail-flick, hot-plate and biting and scratching nociceptive tests.
  • (6) The instrumental treatment of the volvulus of the sigma prevents surgical interventions under unfavourable conditions for the patient.
  • (7) All are satisfied by [Formula: see text], where N is the size of rod signal, constant for threshold; theta, theta(D) are steady backgrounds of light and receptor noise; varphi is the threshold flash with sigma a constant of about 2.5 log td sec; B the fraction of pigment in the bleached state.
  • (8) The amino acid composition of purified sigma 28 protein and the amino acid sequences of tryptic peptide fragments have been determined.
  • (9) Together, these findings suggest that sigma agents may have cerebroprotective effects.
  • (10) Left ventricular cavity and muscle areas of each image were planimetered with a light-pen system and summated for volume: total volume = sigma (areas x 3 mm).
  • (11) It also suggests that the -10 and its downstream regions are more important than the -35 region for the formation of the E sigma A-P2 promoter open complex.
  • (12) We also observed a significant correlation between the Ki values for sigma compounds to inhibit [3H]pirenzepine binding and their IC50 values to inhibit carbachol-stimulated phosphoinositide turnover.
  • (13) Vascular permeability was evaluated by use of the fluid filtration coefficient (Kf) and the osmotic reflection coefficient for total proteins (sigma, hematocrit-protein double indicator technique), and pulmonary capillary pressure (Pc) was estimated by the double occlusion technique.
  • (14) Sigma is a surface area-independent indicator of microvascular permeability when determined for specific protein molecules at high transmicrovascular fluid fluxes.
  • (15) A method is described for the rapid purification of DNA-dependent RNA polymerase sigma-70 holoenzyme from Escherichia coli.
  • (16) For each investigated case, the post-operative temporal average of sigma S was calculated (sigma S) and a value of 1.25 was used as discriminating threshold.
  • (17) To determine the relationship between SVR and sigma es, left ventricular afterload and contractility were pharmacologically altered in eight dogs instrumented with central aortic microtip and Swan-Ganz thermodilution catheters.
  • (18) The standard derivation, sigma 10 of analysis of water samples was 1.08-1.23% while for blood plasma sigma 6 = 2.02-2.62%.
  • (19) The mechanical properties of compressed beam specimens of microcrystalline cellulose (Avicel pH 101) have been assessed in terms of the tensile strength (sigma t), Young's modulus (E) and the following fracture mechanics parameters: the critical stress intensity factor (KIC), the critical strain energy release rate (GIC) and the fracture toughness (R).
  • (20) In Escherichia coli the genes encoding ribosomal protein S21 (rpsU), DNA primase (dnaG), and the 70-kDal sigma subunit of RNA polymerase (rpoD) are contained in a single operon.

Words possibly related to "sigma"