Standard deviation

| September 29, 2018

Use the ten step
“deviation method” to compute the standard deviation for the five
scores below. Write a name and letter symbol for the measure in each step. Show
the computations for all steps. Compute the z-scoresfor the data. Show the
computations Observed
Value Name X Alice 16 Beth 12 Carl 10 Dave 8
Erma 4 Sum: ?X = 50 N = 5 Mean = 50/5 = 10 Use results from the computations to
answer the 5 items below Mean = Adjusted sum of squares = Variance = Standard
deviation = List the standard values of z-scores:

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