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Dahasolnce [82]
2 years ago
12

PLEASE HELP!!!

Mathematics
1 answer:
drek231 [11]2 years ago
7 0

Answer:

standard deviation=143.527

C

Step-by-step explanation:

75, 82, 100, 120, 140.

if we add 450

75, 82, 100, 120, 140,450

standard deviation=143.527

find the mean=sum /count=967/6=161.167

then find the  √square difference between each sample and the mean, add up the differences²/6-1

find the square root of the differences=143.527

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