A job placement agency advertised that last year its clients, on average, had a starting salary of $38,500. 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 $36,000. Last year all of their clients had a starting salary of at least $38,500. Last year, the number of their clients who had a starting salary of less than $38,500 was equal to the number of their clients who had a starting salary of more than $38,500. Two years ago some of their clients had a starting salary of at least $38,500. Last year at least one of their clients had a starting salary of exactly $38,500. None of the above statements are true.