Vernier Scales
Vernier Scales º 0’ 0 degrees 0 minutes
Vernier Scales º 6’ 0 degrees 6 minutes
Vernier Scales º 12’ 0 degrees 12 minutes
Vernier Scales º 30’ 0 degrees 30 minutes
Vernier Scales Standard deviation? You can probably quote values to the nearest 3 minutes (0.05 degrees). Standard deviation defined such that 2/3 of values fall within one standard deviation. σ = (1/3)*smallest increment = 1 minute = degrees = 2.9x10 -4 radians