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 = N = ∑∑X= ∑∑X = Population mean μμ= Population mean μμ = ∑∑X2 = ∑∑X2 = SS = SS = Population variance σσ2 = Population variance σσ2 = Standard deviation σσ = Standard deviation σσ =
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 = N =
∑∑X= ∑∑X =
Population mean μμ= Population mean μμ =
∑∑X2 = ∑∑X2 =
SS = SS =
Population variance σσ2 = Population variance σσ2 =
Standard deviation σσ = Standard deviation σσ =
Compare the answer for descriptive data using Vassar Stats with these calculations from above.
Vassar Stats
Older Younger
N = N =
∑∑X= ∑∑X =
Population mean μμ= Population mean μμ =
∑∑X2 = ∑∑X2 =
SS = SS =
Population variance σσ2 = Population variance σσ2 =
Standard deviation σσ = Standard deviation σσ =
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