9709 P63 - Nov 2010 - Q5
2406
The following histogram illustrates the distribution of times, in minutes, that some students spent taking a shower.
(i) Copy and complete the following frequency table for the data.
| Time \( t \) (minutes) | \( 2 < t \le 4 \) | \( 4 < t \le 6 \) | \( 6 < t \le 7 \) | \( 7 < t \le 8 \) | \( 8 < t \le 10 \) | \( 10 < t \le 16 \) |
|---|---|---|---|---|---|---|
| Frequency |
(ii) Calculate an estimate of the mean time to take a shower.
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