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Question

Part 1
Find the​ mean, variance, and standard deviation for the data set.
7​, 13​, 9​, 2​, 12​, 8​, 14​, 7​, 16​, 12
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Part 1
The mean is x overbarequals
  
enter your response here.
​(Round to two decimal places as​ needed.)
Part 2
The variance is sigmasquaredequals
  
enter your response here.
​(Round to two decimal places as​ needed.)
Part 3
The standard deviation is sigmaalmost equals
  
enter your response here.
​(Round to two decimal places as​ needed.)

Answer 1

Part 1
The mean is x̄ = 10.2

Part 2
The variance is σ^2 = 10.64

Part 3
The standard deviation is σ ≈ 3.26