If a salesperson advertises by radio or television a "magic" cream that cures baldness, even though that person knows that the cream is just hand lotion, that person may have committed:

The person may commit a violation of the Competition Act. The act aims to protect consumers from misleading and false advertising. The Competition Act does not tolerate deceptive marketing to be able to promote a product or persuade consumers to buy the product.

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !