When, on the one hand, we see domesticated animals and plants, though often weak and sickly, yet breeding quite freely under confinement; and when, on the other hand, we see individuals, though taken young from a state of nature, perfectly tamed, long-lived, and healthy (of which I could give numerous instances), yet having their reproductive system so seriously affected by unperceived causes as to fail in acting, we need not be surprised at this system, when it does act under confinement, acting not quite regularly, and producing offspring not perfectly like their parents or variable.
The proportional width of the gape of mouth, the proportional length of the eyelids, of the orifice of the nostrils, of the tongue (not always in strict correlation with the length of beak), the size of the crop and of the upper part of the oesophagus; the development and abortion of the oil-gland; the number of the primary wing and caudal feathers; the relative length of wing and tail to each other and to the body; the relative length of leg and of the feet; the number of scutellae on the toes, the development of skin between the toes, are all points of structure which are variable.
Their hunting ground was occasionally invaded by the Blackfeet, but the Snakes battled bravely for their domains, and a long and bloody feud existed, with variable
They all noticed another change in this variable
We express the mathematical model for the two-stage approach to evaluating confounding using nonspecific variables
to illustrate the generality of the problem.
Over the years, astronomers have found a multitude of these pairs of mercurial stars, known as cataclysmic variables
Data on a population of 51,944 injured workers in the State of Alabama were examined to determine the relationship of 13 predictor variables
to a single criterion variable
, the number of days taken in returning to work after an industrial injury.
include the taxability of annuity earnings upon distribution, the 10% premature withdrawal penalty for distributions before age 59 1/2 and contract fees.
The standard Focus 100 software includes graphing of X-bar and R charts on 17 process variables
over the last 50 machine cycles, and of Pareto-type bar charts of reasons for downtime or rejects.
NEW YORK -- Prism's American Printer([R]) magazine, a leading source for business trends and technical innovations shaping the printing industry, today announced new regional locations for its fifth annual VARIABLES
In any experiment, there are two major types of variables
To address construct validity, researchers must be sure that dependent variables
actually measure the relationship or effect of interest.