Question

Hi I really need help with this question, please

What is the mean of the data set?

{−5, 0, 2, −4, −7, 1, −4, 3, −2, 5, −9}


−4.0


−2.0


−1.8


9.0

Answer 1

it's

-2.0

Step-by-step explanation:

.....................

Answer 2

-1.8

Step-by-step explanation:

Since this is the mean we add all and divide by how many terms we have

-5+0+2-4-7+1-4+3-2+5-9 = -20

-20/11= -1.81818181818

round

= -1.8