Lab Exercise #1: Error Analysis
1.  U = [(.01/15)2 + (1/15)2]½ (225) =  ±15     225±15

2.  U = [(.1/15)2 + (3/15)2]½ (225) =  ±45       225±45

3.  U = [(.2/125)2 + (3/25)2]½ (5.0) =  ±0.6      5.0±0.6

4.  U = [(.02/375)2 + (.051/7.55)2]½ (49.7) =  ±0.33     49.7±0.3

5.  U = [(.01/25)2 + (.1/20)2 + (1/12)2]½ (6000) =  ±500    6.0x103±0.5x103

6 . U = [(.01/100)2 + (.03/90)2 + (.05/80)2]½ (720000) = ±500    720,000±500

7 . U = [(.01/9.85)2 + (.2/11.2)2]½ (.879) =  ±0.016    0.879±0.016

8.  U = [(.1/5)2 + (.3/3.5)2]½ (1.4) =  ±0.2     1.4±0.12