Use the given frequency distribution to find the (a) class width. (b) class midpoints of the...

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Answer 1

Answer #1

a.
Class width = 11-8 = 3

b.
Midpoint of the first class = (8+11)/2 = 9.5

c.

class boundaries of the first class after converting into exclusive class interval is
Class boundaries pf the first = 7.5-11.5

Correct option is (A)

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Answer 2

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