The frequency of a class interval plus the frequencies of all lower class intervals is the grouped frequency of a distribution.
A) simple
B) summed
C) cumulative
D) relative
Correct Answer:
Verified
Q25: If the 30th percentile on an examination
Q26: The symbol c%f represents the frequency.
A)summed relative
B)cumulative
Q27: The formula (rf of scores in interval)
Q28: For the class interval of 10-15, the
Q29: The symbol crf represents the frequency.
A)summed relative
B)cumulative
Q31: The midpoint of a class interval is
Q32: For the class interval of 10-15, the
Q33: A percentile is.
A)the percentage of scores in
Q34: The grouped relative frequency of a class
Q35: For the class interval of 20-25, the
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