Basic Statistics
Similar Data
1 UnGrouped Sample (Example)
Sample x: 10.251 10.253 10.181
10.272 10.185 10.247
10.208
10.224 10.263 10.218
10.235 10.230 10.226
Final Results
Xi = 10.230 ± 0.029 (68.3% of
confidence)
Xt = 10.230 ± 0.008 (68.3% of
confidence)
or
Xi = 10.23 ± 0.06 (95.4% of
confidence)
Xt = 10.230 ± 0.017 (95.4% of
confidence)
Histogram
1 Grouped Sample
x frequency
9.2
5
9.3
10
9.4
18
9.5
12
9.6
5
Final Results
Xi = 9.40 ± 0.11 ( 68.3% of
confidence)
Xt = 9.404 ± 0.016 (68.3% of
confidence)
or
Xi = 9.40 ± 0.22 ( 95.4% of
confidence)
Xt = 9.404 ± 0.032 (95.4% of
confidence)
2 Samples
Sample 1 x1: 1.2
2.4 3.0 4.3
5.8
Sample 2 x2: 3.2
1.3 4.0 5.2
6.1
Final Results
In the box.
No-similar Data
X1 = 9.72 ± 0.21 X1 = 9.93 ± 0.36 X1 =
9.65 ± 0.28 X1 = 9.78 ± 0.33
Final Results
X = 9.74 ± 0.14
Error Propagation