A job placement agency advertised that last year its clients, on average, had a starting salary of $39,000. 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. This year at least one of their clients will have a starting X b Q '2 salary of at least $39,000. ' _ Last year some of their clients had a starting salary of exactly $39,000. _ Last year all of their clients had a starting salary of more than $35,000. Last year, the number of their clients who had a starting _ salary of less than $39,000 was equal to the number of their clients who had a starting salary of more than $39,000. _ Last year some of their clients had a starting salary of $39,000 or above. None of the above statements are true