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An online retailer allows customers to rate items on a scale from −5 to 5. An item receives the scores below. −3.5, 4, 4.5, −5.25, −4, −3.25, −4.25, 1.75 Find the mean score. Write your answer as a decimal.

Respuesta :

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:

[tex]Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}[/tex]

Putting values, we get,

[tex]Mean =\displaystyle\frac{-10}{8} = -1.25[/tex]

Thus, the mean rate given by customer is -1.25

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