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|
DESCRIPTIVE STATISTICS: GROUPED DATA |
|
Confidence
Level |
95.000% |
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Uranium α-Particle Emission |
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Significance
Level |
5.0% |
|
Grouped
data for histogram from Irwin Guttman, S. S. Wilks, and J. Stuart Hunter, Introductory Engineering Statistics, 3rd ed. (New York, NY: John Wiley & Sons, 1982),
p.289. |
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|
t(α/2,n-1) |
1.9842169 |
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Observations |
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Group Limits |
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|
Number of
Observations |
100 |
|
Minimum |
-0.1 |
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|
Number of
Groups |
8 |
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Maximum |
11 |
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Optimal
Number of Groups [Sturges' Rule] |
7.64385619 |
|
Range |
11.1 |
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Interval Midpoint |
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Group Frequencies |
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Mean |
3.717 |
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Minimum |
6 |
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Median |
3.423076923 |
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Maximum |
26 |
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Mode |
3.375 |
|
Range |
20 |
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Geometric
Mean |
3.057578504 |
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Harmonic
Mean |
2.254249519 |
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Population |
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Sample |
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|
Population
Standard Deviation |
2.1014426 |
|
Sample Standard Deviation |
2.112029279 |
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|
Population
Variance |
4.416061 |
|
Sample Variance |
4.460667677 |
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|
Coefficient
of Variation |
0.56535986 |
|
Coefficient of Variation |
10.05037815 |
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|
Standard
Error of the Mean |
0.21014426 |
|
Standard Error of the Mean |
0.211202928 |
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|
95% Confidence Interval for Population Mean |
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95% Confidence Interval for Sample Mean |
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Lower
Limit |
L |
3.300028208 |
|
Lower
Limit |
L |
3.297927581 |
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Upper
Limit |
U |
4.133971792 |
|
Upper
Limit |
U |
4.136072419 |
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|
Quartiles,
Deciles, Percentiles |
|
|
95%
Confidence Interval for Population Mean |
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Symmetry |
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|
Quartiles,
Deciles, Percentiles |
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|
Skewness |
0.776399983 |
|
Lowest |
Q0 |
D0 |
P0 |
-0.1 |
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|
Standard
Error of Skewness (SES) |
0.241379779 |
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P1 |
0.083333333 |
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|
Skewness
Test Statistic (Skewness/SES) |
3.216507968 |
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P5 |
0.816666667 |
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|
Distribution's
Deviation from Symmetry |
Extended to Right |
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D1 |
P10 |
1.25 |
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Peakedness |
|
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Q1 |
|
P25 |
2.176470588 |
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Kurtosis |
3.290091759 |
|
Median |
Q2 |
D5 |
P50 |
3.423076923 |
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|
Standard
Error of Kurtosis (SEK) |
0.478331133 |
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Q3 |
|
P75 |
4.909090909 |
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|
Excess
Kurtosis |
0.290091759 |
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D9 |
P90 |
6.555555556 |
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|
Kurtosis
Test Statistic (Excess Kurtosis/SEK) |
0.606466397 |
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P95 |
7.666666667 |
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|
Shape of
Distribution's Peak |
Mesokurtic |
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P99 |
10.33333333 |
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|
Distribution's
Degree of Peakedness |
Near Normal |
|
Highest |
Q4 |
D10 |
P100 |
11 |
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|
Inter-Quartile Range |
Q3-Q1 |
2.732620321 |
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Correlation |
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|
Correlation
(Pearson) CORR(τ,O) |
-0.34721272 |
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Population Moments |
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|
Bar Lengths as % of Maximum |
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m1 |
0 |
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m2 |
4.416061 |
|
Confidence
Inteval for Mean |
100% |
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m3 |
7.205068476 |
|
Percentiles |
15% |
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|
m4 |
64.16203619 |
|
Mode |
100% |
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|
Copyright © 2010 by Macroknow Inc. All Rights
Reserved. |
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