The price of a minor league baseball ticket increased and decreased these amounts over four years: -10.8%, +14.2%, +16.5%, -4.7%. What is the MEAN increase or decrease over the four years? (Hint: add and divided by four.)

Question

shane_b · Answer

The question states how to get the answer: "add and divided by four".

What do you get when you  do that?

anonymous · Answer

18.725?

shane_b · Answer

No...here's what you need to do:
$$\frac{(-10.8) + (14.2) + (16.5) + (-4.7)}{4} = ?$$

anonymous · Answer

i dont get it ;c

shane_b · Answer

What part don't you understand?  The problem is asking you to take the average of 4 values.

shane_b · Answer

Do you understand how to calculate averages?

anonymous · Answer

nope

shane_b · Answer

$$Average = \frac{sum~of~all~values}{number~of~values}$$