Final answer:
The credibility of the subway system report is primarily determined by the qualifications and objectivity of the report's authors rather than the length, cost, or number of tables and charts it contains.
Step-by-step explanation:
The credibility of the report on the proposed subway plans is most influenced by the qualifications of the writers of the report.
An in-depth evaluation of the report’s credibility starts with the authors' expertise, academic affiliations, and their ability to present an objective and unbiased analysis. This includes attention to avoiding bias by a selection of sources and ensuring that the analysis demonstrates a comprehensive understanding of the subject matter. The inclusion of relevant data, such as tables and charts, can support the credibility, but it is the qualifications and objective presentation of the information by the writers that chiefly contribute to a report’s authority.
The factor that will contribute to the credibility of the report as a source on the topic is a. Qualifications of the writers of the report.
The qualifications of the writers of the report are crucial in assessing the credibility of the information presented. Writers with expertise, experience, and credentials in the subject matter are more likely to produce a reliable and trustworthy report. They are more knowledgeable about the topic, capable of conducting thorough research, and able to analyze and interpret the data accurately.