A job placement agency advertised that last year its clients, on average, had a starting salary of $39,500. Assuming that average refers to the mean, which of the following claims must be true based on this information? Note: More than one statement could be true. If none of the statements is true, mark the appropriate box. Last year some of their clients had a starting salary of less than $44,000. This year some of their clients will have a starting salary of at least $39,500. Last year, the number of their clients who had a starting salary of more than $39,500 was equal to the number of their clients who had a starting salary of less than $39,500. Last year at least one of their clients had a starting salary of $39,500 or above. Last year at least one of their clients had a starting salary of exactly $39,500. None of the above statements is true