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OpenStudy (freemap):
What is the standard deviation of the data set? 21 6 18 21 20 14 19 ≈5.0 ≈5.4 ≈25.1 ≈29.3
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OpenStudy (freemap):
@Michele_Laino
OpenStudy (michele_laino):
what formula did you have applied?
OpenStudy (michele_laino):
first step: we have to compute the mean value
OpenStudy (freemap):
A
OpenStudy (michele_laino):
please wait a moment, I'm checking your result
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OpenStudy (freemap):
okay
OpenStudy (michele_laino):
option A is wrong
OpenStudy (freemap):
I got 5.014 A right I thought
OpenStudy (michele_laino):
maybe there is a computational error
OpenStudy (freemap):
hold just a sec
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OpenStudy (michele_laino):
ok!
OpenStudy (freemap):
5.416
OpenStudy (michele_laino):
that's right!
OpenStudy (freemap):
B, Thanks again
OpenStudy (michele_laino):
:)
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