The given line graph illustrates the fraction of the UK over 4 years old population that watches the television or listens to the radio at different hours of a day from October 1992 to December 1992.
Overall, as can be clearly seen, the maximum number of television watchers, that is approximately 45% of the subject population, is more than the maximum population of radio listeners with nearly 30% of it.
Radio listeners start with about 7% at the first hour of the day, meanwhile, television viewers at that hour are at a minimum state, zero.
The significant point that can be seen in this graph is the difference between the maximum number of the two media audiences. Where, the maximum number of radio listeners happens in the first hours of the day, about 9 AM. After that, it starts to decline gradually with some fluctuations to reach its minimum value at midnight 2 AM.
On the other hand, this factor for the television audiences, occurs at approximately at 8 PM in the night, after some fluctuations in diurnal hours, and then continues to reduce with a sharp slope.