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20 February, 03:29

Determine the standard deviation of the data below. (1, 2, 3, 4, 5)

a) √2

b) 3

c) 2

+4
Answers (2)
  1. 20 February, 05:11
    0
    C!

    Have an amazing day!
  2. 20 February, 07:15
    0
    sqrt (2)

    Step-by-step explanation:

    1. Find the mean.

    Mean=1+2+3+4+5=15/5=3

    2. Subtract each number by the mean and square the value.

    1-3=-2^2=4

    2-3=-1^2=1

    3-3=0^2=0

    4-3=1^2=1

    5-3=2^2=4

    3. Add the values in step 2 then divide by amount of numbers.

    4+1+0+1+4=10/5=2

    4. Square the value in step 3 and that is the answer.

    sqrt (2)
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