Use the formula for standard deviation displayed in assignments. Please show calculations. Older Younger N = 15 N = 15 ∑X= ∑X = Population mean μ= Population mean μ = ∑X2 = ∑X2 = SS = SS = Population variance σ2 = Population variance σ2 = Standard deviation σ = Standard deviation σ =
Older Adults-(average age 72) Younger Adults (average age 31)
9, 4, 7, 3, 8 7, 9, 6, 7, 8
6, 2, 8, 4, 5, 6, 7, 6, 6, 8
7, 5, 2, 6, 6 9, 7, 8, 6, 9
Use the formula for standard deviation displayed in assignments. Please show calculations.
Older Younger
N = 15 N = 15
∑X= ∑X =
Population mean μ= Population mean μ =
∑X2 = ∑X2 =
SS = SS =
Population variance σ2 = Population variance σ2 =
Standard deviation σ = Standard deviation σ =
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