class interval


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Related to class interval: Class mark

class interval

n
(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
References in periodicals archive ?
Frequency [square cum [square Class interval (1) [(f).
1996) used a 3-second class interval for grouping headway data and compared cumulative frequencies of the observed and theoretical distributions.
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.
Figure 1a shows a vertical legend for a classed map that depicts the actual range of values within each class interval.
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).
Efficiency improvements to the estimator, by Bakker (1997), demonstrated that to use equation (6) in a frequency context it is necessary to divide the density's domain into K class intervals, such that the probability associated with the kth class interval is:
Cromley and Cromley (1996), making use of spatial autocorrelation, proposed a classification scheme that maximized spatial similarity among contiguous units in the same class interval.
The rent intervals from this initial classification were used as class intervals for plotting the histogram.
322 log n, where K is the number of class intervals and n is the number of values in the data set.
Each of these variables was recorded for the students during their classes as a percent of the total class intervals.