Using the information in the question above, the Administrator of the Clinic wants to have everyone make appointments by email instead of by telephone. However, the HIM professional tells him .

a. This is a causal relationship and proves that patients who make appointments by email are more likely to keep the appointment.

b. This is not a causal relationship; there is only a positive relationship between making the appointment by email and keeping the appointment.

c. This is just a somewhat good correlation and may not be positive.

d. This is a poor correlation and does not necessarily mean that appointments will kept in the future.