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  1. Question 1 of 6
    A bus depot conducted a survey on how many passengers were on each bus through an 8 hour period. How many buses had less than 20 passengers?
    Class Class Centre (c.c.) Frequency (f) fc.c.
    0-4 2 5 10
    5-9 7 9 63
    10-14 12 13 156
    15-19 17 10 170
    20-24 22 7 154
    25-29 27 2 54
    •  buses