Question

What is the standard deviation of the data set?

21 6 18 21 20 14 19




≈5.0


≈5.4


≈25.1


≈29.3

Answer 1

@Michele_Laino

Answer 2

what formula did you have applied?

Answer 3

first step:
we have to compute the mean value

Answer 4

A

Answer 5

please wait a moment, I'm checking your result

Answer 6

okay

Answer 7

option A is wrong

Answer 8

I got 5.014 A right I thought

Answer 9

maybe there is a computational error

Answer 10

hold just a sec

Answer 11

ok!

Answer 12

5.416

Answer 13

that's right!

Answer 14

B, Thanks again

Answer 15

:)