quartile

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quartile

Astrology denoting an aspect of two heavenly bodies when their longitudes differ by 90?

quartile

[′kwȯr‚tīl]
(statistics)
The value of any of the three random variables which separate the frequency of a distribution into four equal parts.
References in periodicals archive ?
In Figure 3, it is notable that the trust level at the lower quartile is not very different from the trust level at the upper quartile and that both are very high.
Then, we compared the average SEG proceeds of the upper quintile versus that of the lower quintile, the upper quartile versus the lower quartile, and the first half of low-priced SEOs against the second half with high-priced offerings.
The large CV and the ranges for maximum and minimum (max-min) and upper and lower quartiles indicated substantial temporal variations in the LC collected.
After 120 days of follow-up, children in the lower quartile (based on levels of plasma zinc) suffered a significant relative increase in the risk of days of illness by 15% (95% confidence interval [CI] 8-22), days of diarrhoea by 22% (95% CI 9-37), days with dysentery by 44% (95% CI 12-135), days with ALRI by 49% (95% CI 16-92), and pneumonia episodes by 5% (95% CI 43-91) compared to children in the upper quartile.
Realistic estimates must be used for planning purposes; it cannot be acceptable to use a lower quartile estimate for budgeting purposes when there is so much uncertainty about outcomes.
The lower quartile (Q1) is the value below which a quarter of the results lie.
Furthermore, there was a highly significant difference when men in the lower quartile were compared with the other quartiles combined (percentage of men with CHD in the lower quartile vs the other quartiles 32.
Welcomed in principle, but after-tasting ratings for taste and texture fell in the lower quartile of the category and well short of previous Sharwood's products tested.
In this test, you actually determine five distinct statistical values of a data set--smallest value, largest value, lower quartile, upper quartile, and median.
Subjects in the lower quartile of protein intake excreted a higher proportion of ingested InAs as MMA (14.
The results put them in the lower quartile for Pembrokeshire, '' he said.
According to Figure 2, when MV is computed for all combinations of higher and lower cash flows, then the most likely, best, and worst case estimates can be seen along with the mean and standard deviation or the upper quartile, median, and lower quartile.

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