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Question 1
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Consider the following frequency distribution table.
Class Interval
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Frequency
180
$f_1$
34
180
136
$f_2$
50
If the total frequency is 686 and the median is 42.6, then the value of $f_1$;and $f_2$ are
A.
81, 25
B.
82, 24
C.
83, 23
D.
84, 22
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