The frequency table for the ages of club members is as follows.
If a bar on the histogram for the 23 - 27 age range has an area of 100 square units , what is the frequency density of the 18 - 22 age range? (Frequency density = frequency / width)
Options
A
1.2
B
1.5
C
3.0
D
2.4
Answer & Analysis
Answer
C
Analysis
Step 1: Calculate the frequency density for the 23 - 27 age range:
We know the area of the bar is related to the frequency and width by the formula:
Given:
- Area for 23 - 27 = 100 square units
- Frequency for 23 - 27 is 20
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