SOLUTION: Need help with standard deviation, please!
Suppose x has a normal distribution with mean μ = 57 and standard deviation σ = 9.
Describe the distribution of x values fo
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Question 1076186: Need help with standard deviation, please!
Suppose x has a normal distribution with mean μ = 57 and standard deviation σ = 9.
Describe the distribution of x values for sample size n = 4. (Round σx to two decimal places.)
μx =
57
σx =
Describe the distribution of x values for sample size n = 16. (Round σx to two decimal places.)
μx =
57
σx =
Describe the distribution of x values for sample size n = 100. (Round σx to two decimal places.)
μx =
57
σx
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
σx for n = 4
:
σx = 9 / square root(4) = 4.50
:
σx for n = 16
:
σx = 9 / square root(16) = 2.25
:
σx for n = 100
:
σx = 9 / square root(100) = 0.09
:
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