Question 2 A job placement agency advertised that last year

Question #2

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.

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

$39,000

or below was equal to the number of their clients who had a starting salary of

$39,000

or above.

Two years ago at least one of their clients had a starting salary of at least

$39,000

.

Last year some of their clients had a starting salary of exactly

$39,000

.

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

$35,000

.

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

$39,000

.

None of the above statements is true.

Solution

Sol)

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

$39,000

or below was equal to the number of their clients who had a starting salary of

$39,000

or above.