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Mean
Median
Table 3.1: Carrier Aspect – Operational Procedure
3.4
3.8
3.6
3.9
Figure 3.1: B1 Graphical Summary
Figure 3.1 shows the graphic plot of the
analysis on this block of data. It shows p‐value is
0.378. As the level of significance is above 0.05,
the data is in normal distribution. The variance is
0.1497. The skewness is ‐0.499290 indicating
that the distribution is left‐skewed. The confi‐
MIMET Technical Bulletin Volume 1 (2) 2010
3.8
4.0
4.0
4.1
4.2
4.2
dence intervals at 95% confident level are:
Summary for B1 Average of Q uestion
9 5 % C o n f id e n c e I n t e r v a ls
4.4
4.3
4.6
4.4
A n d e rs o n -D a rlin g N o rm a lity T e s t
A -S q u a re d
0.36
P -V alue 0.378
M ean 4.0683
S tD ev 0.3869
V ariance 0.1497
S kew ness -0.499290
K urtosis -0.881537
N 1 0
M inimum 3.3684
1st Q uartile 3.7632
M edian 4.1184
3rd Q uartile 4.4268
M aximum 4.5263
9 5 % C o n fid e n ce I n te rv a l fo r M e a n
3.7915
4.3451
9 5 % C o n fid e n ce I n te rv a l fo r M e d ia n
3.7534 4.4294
9 5 % C o n fid e n ce I n te rv a l fo r S tD e v
0.2661 0.7063
�� µ (mean) is between 3.7915 and 4.3451.
�� σ (standard deviation) is between
0.2661 and 0.7063.
�� the median is between 3.7534 and
4.4294.
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