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|
DESCRIPTIVE STATISTICS: GROUPED DATA |
|
Confidence
Level |
99.900% |
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Bathtub Failure Rate |
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Significance
Level |
0.1% |
|
Grouped
data for histogram from Dimitri Kececioglu, Reliability
Engineering Handbook, Vol. 1 (Englewood
Cliffs, NJ: Prentice Hall, Inc.), pp. 610-620. |
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|
t(α/2,n-1) |
3.362959911 |
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Observations |
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Group Limits |
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|
Number of
Observations |
138 |
|
Minimum |
0 |
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|
Number of
Groups |
17 |
|
Maximum |
7000 |
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|
Optimal
Number of Groups [Sturges' Rule] |
8.108524457 |
|
Range |
7000 |
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|
Interval Midpoint |
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Group Frequencies |
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|
Mean |
4520.954348 |
|
Minimum |
2 |
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|
Median |
5591.105263 |
|
Maximum |
19 |
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|
Mode |
5901.666667 |
|
Range |
17 |
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|
Geometric
Mean |
2824.673407 |
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|
Harmonic
Mean |
513.9638641 |
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Population |
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Sample |
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|
Population
Standard Deviation |
2322.210432 |
|
Sample Standard Deviation |
2330.670243 |
|
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|
Population
Variance |
5392661.291 |
|
Sample Variance |
5432023.782 |
|
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|
Coefficient
of Variation |
0.513654917 |
|
Coefficient of Variation |
11.79013568 |
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|
Standard
Error of the Mean |
197.6796796 |
|
Standard Error of the Mean |
198.3998265 |
|
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|
99.9% Confidence Interval for Population Mean |
|
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|
|
99.9% Confidence Interval for Sample Mean |
|
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|
Lower
Limit |
L |
3856.16551 |
|
Lower
Limit |
L |
3853.743685 |
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|
Upper
Limit |
U |
5185.743186 |
|
Upper
Limit |
U |
5188.165011 |
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|
Quartiles,
Deciles, Percentiles |
|
|
99.9%
Confidence Interval for Population Mean |
|
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|
Symmetry |
|
|
Quartiles,
Deciles, Percentiles |
|
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|
Skewness |
-0.830144744 |
|
Lowest |
Q0 |
D0 |
P0 |
0 |
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|
Standard
Error of Skewness (SES) |
0.206295161 |
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|
P1 |
12.29185714 |
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|
Skewness
Test Statistic (Skewness/SES) |
-4.024063093 |
|
|
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|
P5 |
61.45928571 |
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|
Distribution's
Deviation from Symmetry |
Extended to Left |
|
|
|
D1 |
P10 |
122.9185714 |
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|
Peakedness |
|
|
Q1 |
|
P25 |
2990.25 |
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|
Kurtosis |
2.249819222 |
|
Median |
Q2 |
D5 |
P50 |
5591.105263 |
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|
Standard
Error of Kurtosis (SEK) |
0.409781 |
|
|
Q3 |
|
P75 |
6413.625 |
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|
Excess
Kurtosis |
-0.750180778 |
|
|
|
D9 |
P90 |
6786.505882 |
|
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|
Kurtosis
Test Statistic (Excess Kurtosis/SEK) |
-1.830687071 |
|
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|
P95 |
6893.252941 |
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|
Shape of
Distribution's Peak |
Mesokurtic |
|
|
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|
P99 |
6978.650588 |
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|
Distribution's
Degree of Peakedness |
Near Normal |
|
Highest |
Q4 |
D10 |
P100 |
7000 |
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|
Inter-Quartile Range |
Q3-Q1 |
3423.375 |
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|
Correlation |
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|
Correlation
(Pearson) CORR(τ,O) |
0.597127706 |
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|
Population Moments |
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|
Bar Lengths as % of Maximum |
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|
m1 |
5.79968E-13 |
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|
m2 |
5392661.291 |
|
Confidence
Inteval for Mean |
100% |
|
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|
m3 |
-10395814893 |
|
Percentiles |
15% |
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|
m4 |
6.54265E+13 |
|
Mode |
100% |
|
|
Copyright © 2010 by Macroknow Inc. All Rights
Reserved. |
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