One part of Clare’s job at an environmental awareness organization is to answer the phone to collect donations. The data collected shows a moderate positive linear relationship between the number of hours she worked each week, x , and the amount of donations in dollars, y, that the organization collected each week. a. What does it mean for the relationship between the variables when the correlation is moderate in this context?
b. What does it mean for the relationship between the variables when the correlation is positive in this context?

Clare’s boss sees the data and tells her, “We certainly tend to bring in a lot more money when you’re working here! This graph proves you’re the cause of this increase in donations!”
c. What is wrong with the Clare's boss' claim? Explain your reasoning.