Books Read by Friends - Data Analysis

A group of friends keeps track of the number of books they read over a period of four months. The data collected is summarized in the table below:

Number of Books Read:

Month 1: Alice - 4, Bob - 6, Charlie - 5

Month 2: Alice - 3, Bob - 5, Charlie - 7

Month 3: Alice - 5, Bob - 8, Charlie - 6

Month 4: Alice - 6, Bob - 4, Charlie - 5

Based on this data, which of the following statements is true regarding the total number of books each person read over the four months?