Answer:
Option B is the correct answer of the above question.
Step-by-step explanation:
Frequency is the concept that defines the occurrences of any event. It means that when an event occurs multiple times in a single unit of time then it is measured by frequency.
Option b states that frequency is the number of times a message will read bu the user. Here frequency is the point of measure the time which is the concept of frequency hence it is true. While the other is not because--
- Option "a" states about the use of the browser to generate views, but it does not use to count the number of occurrences for this event.
- Option c states about the effective cost for different media which is not the concept of frequency.
- Option d states about the quality of media but it is also not the concept of frequency.
- Option 'e' states about the percentage of the market that exposed the media vehicle which is not the concept of frequency.