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What is the

-class width

-upper/lower boundary

-midpoint

-relative frequency?Grades on a Difficult Test Class Frequency

math   Statistics-And-Probability   
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Answer #1

#relative frequency=f/n

Here,
f is the number of times the data occurred in an observation
n  = total frequencies

class Frequency(f) Relative frequency
A 2 0.054054054
B 5 0.135135135
class 7 0.189189189
D 13 0.351351351
F 10 0.27027027
sum n=37 1
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