Answer:
b.
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Step-by-step explanation:
i took the test
Ok I will show my work in the comments
Answer:
23.27 - 5. 3 = 17.97
Step-by-step explanation:
It's 169.6mm in total so that closer to H
170mm
STEP 1
Mean =

STEP 2
Subtract the mean from each data value then square the answer

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STEP 3
Add the squared answers in STEP 2 then find the mean

STEP 4
Square root the answer in STEP 3

Standard deviation is 236.5