The maximum daytime temperatures recorded in Chandigarh from Monday to Sunday last week were reported in the school newsletter as follows: Monday 31°C, Tuesday 29°C, Wednesday 34°C, Thursday 30°C, Friday 33°C, Saturday 32°C and Sunday 28°C. The newsletter also mentioned a forecast of 35°C for the coming Monday which is not an actual observation.
(a) List only the recorded temperatures for the seven days of the week.
(b) Arrange these temperatures in ascending order.
(c) Find the range of the recorded maximum temperatures.