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.

This year some of their clients will have a starting salary of at least

$39,500.

Last year at least one of their clients had a starting salary of at least

$39,500.

Last year some of their clients had a starting salary of less than

$44,000.

Last year at least one of their clients had a starting salary of exactly

$39,500.

Last year, the number of their clients who had a starting salary of less than

$39,500 was equal to the number of their clients who had a starting salary of more than $39,500.

None of the above statements is true.