Mathematics, 04.06.2020 17:57 HarryPotter10
The table shows the time 50 students spent on their homework.
time (t) in minuets frequency
0 ≤ t < 30 /7
30 ≤ t < 60 / 27
60 ≤ t < 90 / 12
90 ≤ t < 120 /4
work out an estimate for the mean time the students spent on their home work.
Answers: 3
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The table shows the time 50 students spent on their homework.
time (t) in minuets frequency
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