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class interval

   Also found in: Encyclopedia 0.01 sec.
class interval
n
(Mathematics & Measurements / Statistics) Statistics one of the intervals into which the range of a variable of a distribution is divided, esp one of the divisions of the base line of a bar chart or histogram
Translations
class interval n (Math) → intervallo di classe


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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.
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.
 
 
 
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