Question #6422352Single Choice
Algebra-1
Question
A research was carried out on 80 people to find the relationship between their age groups (Young: 18 - 30, Middle-aged: 31 - 50, Senior: 51+) and their preferred mode of transportation (Car, Bus, Train). The table shows the results:

What is the marginal frequency of people who prefer the bus?
Options
A
28
B
40
C
12
D
80
Answer & Analysis
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