and not with the slopes or whatever say they had

(21-36.6)^2 + (23-36.6)^2 + 35-36.6)^2 + (35-36.6)^2 + (26-36.6)^2 + 40-36.6)^2 + (51-36.6)^2 + (52-36.6)^2 / 8

= 11.27

how in the world did they get that answer? i got something wayyy wrong

please and ty ty ty o and it deff not a quiz or exam its in the lesson and ive researched even on youtube

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