Question

An online retailer allows customers to rate items on a scale from −5 to 5. An item receives the scores below.

−1.75, −1.5, 4, −4.25, 3.75, 1.25, 2

Find the mean score. Write your answer as a decimal.

The mean score is (BLANK)

Answer 1

Answer: 0.5

Explanation:

You have to add up all the scores then divide the total by how many sets of numbers there are, Ex; In this question, there are 7 sets of scores, so you divide the total by 7

Equation: -1.75 + (-)1.5 + 4 + (-)4.25 + 3.75 + 1.25 + 2 = 3.5

3.5 ÷ 7 = 0.5

Hope this helped!