0580 P42 - Jun 2026 - Q19 - 7 marks
10800
The table shows the time spent in a shop by 40 customers.
| Time t (minutes) | \(0<t\le5\) | \(5<t\le10\) | \(10<t\le20\) | \(20<t\le40\) |
|---|---|---|---|---|
| Frequency | 3 | 18 | 13 | 6 |
(a) Estimate the mean time. [4]
(b) Complete the histogram. [3]
