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KIN 610: Statistics “Needs” List for
Calculations Tip Sheet
(Last Updated: 10-16-01)
|
To Get This: |
You Need These: |
|
Coefficient of Variability |
SD, Mean |
|
Confidence Interval |
Mean, Z Score, SE of M (+SD & n for Excel) |
|
Mean |
X, N, or n |
|
Median |
X, n |
|
Mode |
X |
|
Percentile |
X in a rank order distribution |
|
Simple Frequency Distribution |
X & f columns |
|
Standard Deviation |
X, (X-Mean), (X-Mean)^2, N or n |
|
Standard Error of Mean |
SD, N (+ Variance for Excel) |
|
Sum of Squares |
X, Mean |
|
T Score |
Z Score |
| t-Test | X, Mean, SD, Z Min, Z Max |
|
Variance |
X, Mean, n |
|
Z Score |
X, Mean, SD |
Symbols in Table:
f=Frequency
n=Sample Size
N=Population Size
SD=Standard Deviation
SE of M=Standard Error of Mean
X=Individual Score
Z Max=Maximum range value minus mean divided by SD
Z Min=Minimum range value minus mean divided by SD
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