Quartile

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Quartile

In statistics, the set of values encompassing one-quarter of points in a data set.
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For example, when the cost index increased from 5 to 15 percent, the share of families with EBPI would decrease from 38 to 31 percent for the families in the second quartile of income distribution and from 55 percent to 48 percent for the third quartile families, compared with from 16 to 14 percent for the first quartile families and from 64 to 61 percent for the fourth quartile families.
Again, for the bidders in Quartiles 3 and 4, there is no statistical difference between the bids received by sellers in the first quartile and sellers in the higher quartiles of positive reports received.
5 interquartile ranges less than the first quartile.
Among those who had had a sexuality education course, a smaller proportion of women were in the first quartile than in the fourth quartile (20% vs.
For the QQQ and the MDY returns, both of the first quartile autocorrelations are negative and statistically significant.
Ranking in the first quartile during both the 1970s and 1980s, for example, were such diverse industries as fluid milk, synthetic fibers, primary copper, household cooking equipment, telephone communications, and gasoline service stations.
All six of the states with birth-6 entitlements were found in the first quartile displayed in Figure 1, and six of the eight states with no entitlements below age 6 were in the fourth quartile.
The equity funds, in turn, became to first quartile and above the benchmark, due to largest exposure in dividends and value strategies.
97% for funds scoring in the First Quartile (0-25) and an increase of 1.
With the re-commissioning of Kitimat next year, around 80 per cent of Rio Tinto smelters will be in the first quartile of the aluminium cost curve.
The frequency of SGA was higher and the mean [+ or -] SD of birth weight was lower among women in the fourth quartile of acrylamide intake compared with women in the first quartile (11.
For nurse-to-patient ratio, we combined the third and fourth quartiles into a single category, and for the remaining continuous measures, including the state-level Medicaid reimbursement index, the average of median zip code income, average number of diagnoses coded on discharge records, and pediatric volume, we combined the second and third quartiles (in the case of pediatric volume, there were only three initial values because there were no observations for the first quartile of hospitals).