A sports coach recorded the time it took for athletes to complete a 400-

meter race. The times are grouped in the table below:

Time (seconds) (Class Interval) Frequency

50 – 54 6

55 – 59 14

60 – 64 20

65 – 69 14

70 – 74 3

Tasks:

1. Find the modal class or classes.

2. Find the mean.

asked by guest
on Nov 14, 2024 at 12:07 pm



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