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HELP STANDARD DEVIATION

(please show work too)

What is the standard deviation of these numbers:

1,1,2,2,3,3,3,4,4,4,5,5,6,6

User Inspirednz
by
3.6k points

1 Answer

3 votes

Answer: 1.5923926292577

Step-by-step explanation: Count, N: 14

Sum, Σx: 49

Mean, μ: 3.5

Variance, σ2: 2.5357142857143

Steps

σ2 =

Σ(xi - μ)2

N

=

(1 - 3.5)2 + ... + (6 - 3.5)2

14

=

35.5

14

= 2.5357142857143

σ = √2.5357142857143

= 1.5923926292577

User Clay Ellis
by
3.3k points