What is the best estimation of mean for this data set? 10
3
8
5
Shield Darter
Number of Sites
2
3
4
5 6 7
8
9
10
Number of Shield Darter

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

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step-by-step explanation: vsfdvsfvd

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!