Cambridge O Level

7 2020 40242220 [Turn over (b) This table summarises the time, c hours, that each student in a group of 50 students spent cooking in one week. Time (c hours) Frequency021 c G 8 241 c G 16 461 c G 15 681 c G 7 811 c G 0 4 (i) Calculate an estimate of the mean time spent cooking.hours [3] (ii) Draw the cumulative frequency diagram. 0 0 10 20 30 40 50 2 4 6 Time (hours) 8 10 c ... ................
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