|
Bags: estimate
μ and σ & "confirm" Computes
estimates and (by simulation)
conf. intervals.UNDER CONSTRUCTION |
|
|
| File to upload |
(Optional) |
File, 'xls(x)';
1.st sheet used (e.g., file). • |
| Weight, number |
|
Values names in header. • |
| If a file (above)
is not uploaded, then the data in the
next rows are used instead. |
| T,
n L, n U |
(nL ≤ ni
≤ nU, i = 1..T) |
N. of samples ("trucks"), and sample size
limits. • |
| Sample sizes |
|
Used (instead of T, nL, nU)
iff T = 0 . • |
| μ, σ |
|
Gaussian parameters, to be "recovered". • |
| Simulation |
Trials Seed (seed = 0 for nonrepeatable) |
Simulation data. • |
| Confidence level |
% |
Confidence level for the intervals. • |
| Show values ? |
|
Shows the graph coordinates. |
Computes,
under Gaussian item assumption:
point estimates, analytically; and confidence intervals,
by Monte Carlo simulation.
The data are given from:
either an uploaded Excel file ('xls' or 'xlsx');
or user given n. of samples (T, "trucks"),
and lower and upper sample size limits
(nL, nU),
and μ and σ (to be "recovered").
If T = 0, the user given 'sample sizes'
in the textarea are used.
Typical uploadable 'xlsx' file: file (giving #.
Draws plots of the behavior of: the average;
and the variance. |
| References: |
Plate: #UpBagsExcel |
• PHP — Handling file uploads. POST method uploads.
• 1436-06-06: Regiomontanus, Johann Müller
(† 1476-07-06, 40 yrs.). |
