Final answer:
If high school graduates are deficient in reading, then they are deficient in writing.
Step-by-step explanation:
According to the information provided, if high school graduates are deficient in reading, they may struggle in writing because reading and writing skills are closely connected. When students have difficulty reading, they often struggle to comprehend and analyze texts, which are essential for writing effectively. For example, students who skip reading may have difficulty finding accurate information and may struggle to fulfill the requirements of writing assignments that require in-depth analysis. Therefore, based on this information, the statement that if high school graduates are deficient in reading, then they are deficient in writing is True.