Question

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

Answer 1

Answer: The mean rate given by customer is -1.25

Step-by-step explanation:  We are given the following in the question:

-3.5, 4, 4.5, -5.25, -4, -3.25, -4.25, 1.75

Formula:

Putting values, we get,

Thus, the mean rate given by customer is -1.25 you may mark brainliest