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The ages of 25 employees are recorded in the table below:
Age (x)
Frequency (f)
2
3
2
20
30
35
40 < x < 55
55
12
6
Answer:
Frequency Density (fd)
You have been given the frequency density of the first interval as shown.
Using this value and by considering the sizes of the intervals, find the frequency density of the fourth interval (40
