Book(cm)
28.1
28.2
28
28.1
28.2
28.1
28.4
28
28
28.1
28.1
28.2
Average
28.125 Calculation:
(28.1 + 28.2 + 28 + 28.1 + 28.2 + 28.1 + 28.4 + 28 + 28 + 28.1 + 28.1 + 28.2) / 12
Standard Deviation 0.1138180366 Calculation:
sqrt((28.1 - 28.125)^2 + (28.2 - 28.125)^2 + (28 - 28.125)^2 + (28.1 - 28.125)^2 + (28.2 - 28.125)^2 + (28.1 - 28.125)^2 + (28.4 - 28.125)^2 + (28 - 28.125)^2 + (28 - 28.125)^2 + (28.1 - 28.125)^2 + (28.1 - 28.125)^2 + (28.2 - 28.125)^2)
Stdev of mean
0.1138180366 / sqrt(12)
0.03285643703 Calculation:
Caliper
Wire(mm)
Average
Micrometer
0.72
Caliper
0.915 Small cylinder(mm)
Micrometer
12.76
12.709
0.71
0.9
12.95
12.711
0.68
0.91
12.62
12.709
0.66
0.915
12.43
12.707
0.62
0.922
12.66
12.709
0.79
0.926
12.68
12.715
0.68
0.925
12.59
12.707
0.62
0.931
12.62
12.706
0.86
0.931
12.52
12.709
0.71
0.932
12.52
12.707
0.61
0.924
12.51
12.704
0.58
0.924
12.62
0.6866666667
0.92125 Average
12.62333333
12.711
12.70866667
Standard Deviation0.07969639359 0.009602319795 Standard Deviation 0.135735929 0.002839120649
Stdev of mean
0.02300636715 0.002771950959 Stdev of mean
0.03918358758 0.0008195835355
100g weight
m1a
m2d
Average
Stdev of mean
0.005
m2a
m1d
100.15
100.14
100
100
100.16
100.1
100
100.1
100.13
100.09
100
100
100.14
100.09
100
100
100.12
100.1
100
100
100.13
100.08
100
100
100.13
100.1
100
100
100.12
100.09
100
100
100.135
100.09875
100
100.0125
0.006391260774
0
0.0125