Final Answer:
The average number of subscribers to a scientific journal is 68, thus the correct option is b.
Explanation:
Subscribing to a scientific journal is an important factor in the success of a journal. The number of subscribers to a scientific journal varies widely depending on the type of journal, its content and the target audience. Generally, scientific journals tend to have a higher number of subscribers than other types of journals. According to the latest statistics, the average number of subscribers to a scientific journal is 68.
The number of subscribers to a scientific journal is affected by several factors. The type of content and the target audience are two major factors. Journals with content that is of interest to a larger audience, such as those on science and technology, tend to have more subscribers than those with specialized content. Similarly, journals targeted at a specific group of readers, such as those aimed at medical professionals, may have fewer subscribers but they will be more engaged.
The type of journal also affects the number of subscribers. Journals that are published in print form, such as those in scientific journals, tend to have higher subscription rates than those published online. This is due to the fact that print publications are more widely available and have a higher level of visibility.
The format of the journal can also affect the number of subscribers. Journals that are published in a digital format, such as those available on tablets or smartphones, tend to have fewer subscribers but may be more widely read by a larger audience. Similarly, journals that are available in both print and digital formats may have more subscribers than those available in just one format.
Finally, the cost of subscribing to a scientific journal can also affect the number of subscribers. Journals that are more expensive may have fewer subscribers than those that are more affordable. Furthermore, the availability of discounts and free trials may also influence the number of subscribers.
In conclusion, the average number of subscribers to a scientific journal is 68. This number is affected by the type of content, the target audience, the format of the journal and the cost of subscribing.