first quartile

American  

noun

Statistics.

1. (in a frequency distribution) the smallest quartile; the twenty-fifth percentile; the value of the variable below which one quarter of the elements are located.

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Example Sentences

“We firmly believe that the Imperial Valley is in the first quartile of production costs globally.”

From Los Angeles Times

Line in the centre of the rectangle represents the median, top edge of the rectangle represents the third quartile, bottom edge of the rectangle represents the first quartile, top whisker represents the maximum and bottom whisker represents the minimum.

From Nature

Estimated mean blood loss was 48 cc for patients in the first quartile based on area under the 37 degree threshold; 50 cc for patients in the second quartile; 100 cc for patients in the third quartile; and 200 for patients in the fourth quartile.

From Scientific American

Around 85% of the mining assets under the company’s streaming agreements belonged to the first quartile of the cost curve for by-products, indicating low costs of production.

From Forbes

It’s still in the first quartile of the Biology category, but its ranking and impact factor aren’t nearly as high as those of Nature, Science and PNAS.

From Scientific American