class interval

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Related to class intervals: relative frequency

class interval

[¦klas ′int·ər·vəl]
(statistics)
One of several convenient intervals into which the values of the variate of a frequency distribution may be grouped.
References in periodicals archive ?
First, the accuracy of 'wide' and 'narrow' intervals for each variable was assessed by calculating the proportion of observed values that fell within the 'narrow' and 'wide' class intervals and producing exact binomial 95% confidence intervals (Cl) for each.
Analysis of density ranges with class intervals of 25 m shows (Fig.
This translated into 71% and 88% for the class intervals with podcasts accessed the most for Case Study 1 and 2 respectively.
In Sample 2, although significant differential item functioning was identified for the subject blinding and therapist blinding items, these were likely to be statistical artifacts due to the small number of trials in the third class interval for the 1966-1989 category.
The tables in this publication include data on the number of staff employed in Title IV postsecondary institutions in fall 2007 by employment status, gender, race/ethnicity, faculty status, contract length, academic rank, salary class intervals, and primary function/occupational activity.
8 TABLE 2 Frequency distribution of greatest body depth of Astyanax cocibolca and Astyanax aeneus in percent of standard length Class Intervals 29.
There are also some curious choices in terms of the class intervals themselves.
Therefore, these cases were distributed in the first two class intervals for further analysis, namely 61 cases to the first interval (10-50 [micro]g/L) and 60 cases to the second class interval (51-99 [micro]g/L).
Table 1 shows the class intervals of word lengths in number of syllables per word in the speeches of college students in 1999 and in the speeches of two groups of college students in 1979.